30623775

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:681

約数の個数: 72

約数和(自身を含む): 63527184

約数和(自身を除く): 32903409

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 49, 65, 75, 91, 105, 147, 175, 195, 245, 273, 325, 455, 525, 637, 641, 735, 975, 1225, 1365, 1911, 1923, 2275, 3185, 3205, 3675, 4487, 6825, 8333, 9555, 9615, 13461, 15925, 16025, 22435, 24999, 31409, 41665, 47775, 48075, 58331, 67305, 94227, 112175, 124995, 157045, 174993, 208325, 291655, 336525, 408317, 471135, 624975, 785225, 874965, 1224951, 1458275, 2041585, 2355675, 4374825, 6124755, 10207925, 30623775]

約数ペア:

[(1, 30623775), (3, 10207925), (5, 6124755), (7, 4374825), (13, 2355675), (15, 2041585), (21, 1458275), (25, 1224951), (35, 874965), (39, 785225), (49, 624975), (65, 471135), (75, 408317), (91, 336525), (105, 291655), (147, 208325), (175, 174993), (195, 157045), (245, 124995), (273, 112175), (325, 94227), (455, 67305), (525, 58331), (637, 48075), (641, 47775), (735, 41665), (975, 31409), (1225, 24999), (1365, 22435), (1911, 16025), (1923, 15925), (2275, 13461), (3185, 9615), (3205, 9555), (3675, 8333), (4487, 6825)]