61660305

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{919}}^1$

素因数の和:1011

約数の個数: 64

約数和(自身を含む): 127180800

約数和(自身を除く): 65520495

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 71, 105, 135, 189, 213, 315, 355, 497, 639, 919, 945, 1065, 1491, 1917, 2485, 2757, 3195, 4473, 4595, 6433, 7455, 8271, 9585, 13419, 13785, 19299, 22365, 24813, 32165, 41355, 57897, 65249, 67095, 96495, 124065, 173691, 195747, 289485, 326245, 456743, 587241, 868455, 978735, 1370229, 1761723, 2283715, 2936205, 4110687, 6851145, 8808615, 12332061, 20553435, 61660305]

約数ペア:

[(1, 61660305), (3, 20553435), (5, 12332061), (7, 8808615), (9, 6851145), (15, 4110687), (21, 2936205), (27, 2283715), (35, 1761723), (45, 1370229), (63, 978735), (71, 868455), (105, 587241), (135, 456743), (189, 326245), (213, 289485), (315, 195747), (355, 173691), (497, 124065), (639, 96495), (919, 67095), (945, 65249), (1065, 57897), (1491, 41355), (1917, 32165), (2485, 24813), (2757, 22365), (3195, 19299), (4473, 13785), (4595, 13419), (6433, 9585), (7455, 8271)]