217279725

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:399

約数の個数: 96

約数和(自身を含む): 419556480

約数和(自身を除く): 202276755

約数列:

[1, 3, 5, 13, 15, 19, 25, 37, 39, 57, 65, 75, 95, 111, 185, 195, 247, 285, 317, 325, 475, 481, 555, 703, 741, 925, 951, 975, 1235, 1425, 1443, 1585, 2109, 2405, 2775, 3515, 3705, 4121, 4755, 6023, 6175, 7215, 7925, 9139, 10545, 11729, 12025, 12363, 17575, 18069, 18525, 20605, 23775, 27417, 30115, 35187, 36075, 45695, 52725, 58645, 61815, 78299, 90345, 103025, 137085, 150575, 152477, 175935, 222851, 228475, 234897, 293225, 309075, 391495, 451725, 457431, 668553, 685425, 762385, 879675, 1114255, 1174485, 1957475, 2287155, 2897063, 3342765, 3811925, 5571275, 5872425, 8691189, 11435775, 14485315, 16713825, 43455945, 72426575, 217279725]

約数ペア:

[(1, 217279725), (3, 72426575), (5, 43455945), (13, 16713825), (15, 14485315), (19, 11435775), (25, 8691189), (37, 5872425), (39, 5571275), (57, 3811925), (65, 3342765), (75, 2897063), (95, 2287155), (111, 1957475), (185, 1174485), (195, 1114255), (247, 879675), (285, 762385), (317, 685425), (325, 668553), (475, 457431), (481, 451725), (555, 391495), (703, 309075), (741, 293225), (925, 234897), (951, 228475), (975, 222851), (1235, 175935), (1425, 152477), (1443, 150575), (1585, 137085), (2109, 103025), (2405, 90345), (2775, 78299), (3515, 61815), (3705, 58645), (4121, 52725), (4755, 45695), (6023, 36075), (6175, 35187), (7215, 30115), (7925, 27417), (9139, 23775), (10545, 20605), (11729, 18525), (12025, 18069), (12363, 17575)]