64751805

素因数分解:

$3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2621}}^1$

素因数の和:2699

約数の個数: 40

約数和(自身を含む): 118021464

約数和(自身を除く): 53269659

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 135, 183, 305, 405, 549, 915, 1647, 2621, 2745, 4941, 7863, 8235, 13105, 23589, 24705, 39315, 70767, 117945, 159881, 212301, 353835, 479643, 799405, 1061505, 1438929, 2398215, 4316787, 7194645, 12950361, 21583935, 64751805]

約数ペア:

[(1, 64751805), (3, 21583935), (5, 12950361), (9, 7194645), (15, 4316787), (27, 2398215), (45, 1438929), (61, 1061505), (81, 799405), (135, 479643), (183, 353835), (305, 212301), (405, 159881), (549, 117945), (915, 70767), (1647, 39315), (2621, 24705), (2745, 23589), (4941, 13105), (7863, 8235)]