217872375

素因数分解:

$3^1\times 5^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:270

約数の個数: 96

約数和(自身を含む): 430230528

約数和(自身を除く): 212358153

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 71, 75, 105, 125, 147, 167, 175, 213, 245, 355, 375, 497, 501, 525, 735, 835, 875, 1065, 1169, 1225, 1491, 1775, 2485, 2505, 2625, 3479, 3507, 3675, 4175, 5325, 5845, 6125, 7455, 8183, 8875, 10437, 11857, 12425, 12525, 17395, 17535, 18375, 20875, 24549, 26625, 29225, 35571, 37275, 40915, 52185, 59285, 62125, 62625, 82999, 86975, 87675, 122745, 146125, 177855, 186375, 204575, 248997, 260925, 296425, 414995, 434875, 438375, 580993, 613725, 889275, 1022875, 1244985, 1304625, 1482125, 1742979, 2074975, 2904965, 3068625, 4446375, 6224925, 8714895, 10374875, 14524825, 31124625, 43574475, 72624125, 217872375]

約数ペア:

[(1, 217872375), (3, 72624125), (5, 43574475), (7, 31124625), (15, 14524825), (21, 10374875), (25, 8714895), (35, 6224925), (49, 4446375), (71, 3068625), (75, 2904965), (105, 2074975), (125, 1742979), (147, 1482125), (167, 1304625), (175, 1244985), (213, 1022875), (245, 889275), (355, 613725), (375, 580993), (497, 438375), (501, 434875), (525, 414995), (735, 296425), (835, 260925), (875, 248997), (1065, 204575), (1169, 186375), (1225, 177855), (1491, 146125), (1775, 122745), (2485, 87675), (2505, 86975), (2625, 82999), (3479, 62625), (3507, 62125), (3675, 59285), (4175, 52185), (5325, 40915), (5845, 37275), (6125, 35571), (7455, 29225), (8183, 26625), (8875, 24549), (10437, 20875), (11857, 18375), (12425, 17535), (12525, 17395)]