201457125

素因数分解:

$3^4\times 5^3\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:325

約数の個数: 80

約数和(自身を含む): 381219696

約数和(自身を除く): 179762571

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 101, 125, 135, 197, 225, 303, 375, 405, 505, 591, 675, 909, 985, 1125, 1515, 1773, 2025, 2525, 2727, 2955, 3375, 4545, 4925, 5319, 7575, 8181, 8865, 10125, 12625, 13635, 14775, 15957, 19897, 22725, 24625, 26595, 37875, 40905, 44325, 59691, 68175, 73875, 79785, 99485, 113625, 132975, 179073, 204525, 221625, 298455, 340875, 398925, 497425, 537219, 664875, 895365, 1022625, 1492275, 1611657, 1994625, 2487125, 2686095, 4476825, 7461375, 8058285, 13430475, 22384125, 40291425, 67152375, 201457125]

約数ペア:

[(1, 201457125), (3, 67152375), (5, 40291425), (9, 22384125), (15, 13430475), (25, 8058285), (27, 7461375), (45, 4476825), (75, 2686095), (81, 2487125), (101, 1994625), (125, 1611657), (135, 1492275), (197, 1022625), (225, 895365), (303, 664875), (375, 537219), (405, 497425), (505, 398925), (591, 340875), (675, 298455), (909, 221625), (985, 204525), (1125, 179073), (1515, 132975), (1773, 113625), (2025, 99485), (2525, 79785), (2727, 73875), (2955, 68175), (3375, 59691), (4545, 44325), (4925, 40905), (5319, 37875), (7575, 26595), (8181, 24625), (8865, 22725), (10125, 19897), (12625, 15957), (13635, 14775)]