690865455

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{2857}}^1$

素因数の和:2933

約数の個数: 64

約数和(自身を含む): 1316966400

約数和(自身を除く): 626100945

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 49, 105, 141, 147, 235, 245, 329, 343, 705, 735, 987, 1029, 1645, 1715, 2303, 2857, 4935, 5145, 6909, 8571, 11515, 14285, 16121, 19999, 34545, 42855, 48363, 59997, 80605, 99995, 134279, 139993, 241815, 299985, 402837, 419979, 671395, 699965, 939953, 979951, 2014185, 2099895, 2819859, 2939853, 4699765, 4899755, 6579671, 14099295, 14699265, 19739013, 32898355, 46057697, 98695065, 138173091, 230288485, 690865455]

約数ペア:

[(1, 690865455), (3, 230288485), (5, 138173091), (7, 98695065), (15, 46057697), (21, 32898355), (35, 19739013), (47, 14699265), (49, 14099295), (105, 6579671), (141, 4899755), (147, 4699765), (235, 2939853), (245, 2819859), (329, 2099895), (343, 2014185), (705, 979951), (735, 939953), (987, 699965), (1029, 671395), (1645, 419979), (1715, 402837), (2303, 299985), (2857, 241815), (4935, 139993), (5145, 134279), (6909, 99995), (8571, 80605), (11515, 59997), (14285, 48363), (16121, 42855), (19999, 34545)]