69649281

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 118487040

約数和(自身を除く): 48837759

約数列:

[1, 3, 9, 13, 27, 31, 37, 39, 93, 111, 117, 173, 279, 333, 351, 403, 481, 519, 837, 999, 1147, 1209, 1443, 1557, 2249, 3441, 3627, 4329, 4671, 5363, 6401, 6747, 10323, 10881, 12987, 14911, 16089, 19203, 20241, 30969, 44733, 48267, 57609, 60723, 69719, 83213, 134199, 144801, 172827, 198431, 209157, 249639, 402597, 595293, 627471, 748917, 1785879, 1882413, 2246751, 2579603, 5357637, 7738809, 23216427, 69649281]

約数ペア:

[(1, 69649281), (3, 23216427), (9, 7738809), (13, 5357637), (27, 2579603), (31, 2246751), (37, 1882413), (39, 1785879), (93, 748917), (111, 627471), (117, 595293), (173, 402597), (279, 249639), (333, 209157), (351, 198431), (403, 172827), (481, 144801), (519, 134199), (837, 83213), (999, 69719), (1147, 60723), (1209, 57609), (1443, 48267), (1557, 44733), (2249, 30969), (3441, 20241), (3627, 19203), (4329, 16089), (4671, 14911), (5363, 12987), (6401, 10881), (6747, 10323)]