163960875

素因数分解:

$3^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:175

約数の個数: 128

約数和(自身を含む): 338607360

約数和(自身を除く): 174646485

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 37, 39, 45, 65, 75, 101, 111, 117, 125, 135, 185, 195, 225, 303, 325, 333, 351, 375, 481, 505, 555, 585, 675, 909, 925, 975, 999, 1125, 1313, 1443, 1515, 1625, 1665, 1755, 2405, 2525, 2727, 2775, 2925, 3375, 3737, 3939, 4329, 4545, 4625, 4875, 4995, 6565, 7215, 7575, 8325, 8775, 11211, 11817, 12025, 12625, 12987, 13635, 13875, 14625, 18685, 19695, 21645, 22725, 24975, 32825, 33633, 35451, 36075, 37875, 41625, 43875, 48581, 56055, 59085, 60125, 64935, 68175, 93425, 98475, 100899, 108225, 113625, 124875, 145743, 164125, 168165, 177255, 180375, 242905, 280275, 295425, 324675, 340875, 437229, 467125, 492375, 504495, 541125, 728715, 840825, 886275, 1214525, 1311687, 1401375, 1477125, 1623375, 2186145, 2522475, 3643575, 4204125, 4431375, 6072625, 6558435, 10930725, 12612375, 18217875, 32792175, 54653625, 163960875]

約数ペア:

[(1, 163960875), (3, 54653625), (5, 32792175), (9, 18217875), (13, 12612375), (15, 10930725), (25, 6558435), (27, 6072625), (37, 4431375), (39, 4204125), (45, 3643575), (65, 2522475), (75, 2186145), (101, 1623375), (111, 1477125), (117, 1401375), (125, 1311687), (135, 1214525), (185, 886275), (195, 840825), (225, 728715), (303, 541125), (325, 504495), (333, 492375), (351, 467125), (375, 437229), (481, 340875), (505, 324675), (555, 295425), (585, 280275), (675, 242905), (909, 180375), (925, 177255), (975, 168165), (999, 164125), (1125, 145743), (1313, 124875), (1443, 113625), (1515, 108225), (1625, 100899), (1665, 98475), (1755, 93425), (2405, 68175), (2525, 64935), (2727, 60125), (2775, 59085), (2925, 56055), (3375, 48581), (3737, 43875), (3939, 41625), (4329, 37875), (4545, 36075), (4625, 35451), (4875, 33633), (4995, 32825), (6565, 24975), (7215, 22725), (7575, 21645), (8325, 19695), (8775, 18685), (11211, 14625), (11817, 13875), (12025, 13635), (12625, 12987)]