12817305

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{263}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 24140160

約数和(自身を除く): 11322855

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 263, 285, 361, 513, 789, 855, 1083, 1315, 1805, 2367, 2565, 3249, 3945, 4997, 5415, 7101, 9747, 11835, 14991, 16245, 24985, 35505, 44973, 48735, 74955, 94943, 134919, 224865, 284829, 474715, 674595, 854487, 1424145, 2563461, 4272435, 12817305]

約数ペア:

[(1, 12817305), (3, 4272435), (5, 2563461), (9, 1424145), (15, 854487), (19, 674595), (27, 474715), (45, 284829), (57, 224865), (95, 134919), (135, 94943), (171, 74955), (263, 48735), (285, 44973), (361, 35505), (513, 24985), (789, 16245), (855, 14991), (1083, 11835), (1315, 9747), (1805, 7101), (2367, 5415), (2565, 4997), (3249, 3945)]