61386975

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:737

約数の個数: 72

約数和(自身を含む): 122408832

約数和(自身を除く): 61021857

約数列:

[1, 3, 5, 9, 13, 15, 25, 31, 39, 45, 65, 75, 93, 117, 155, 195, 225, 279, 325, 403, 465, 585, 677, 775, 975, 1209, 1395, 2015, 2031, 2325, 2925, 3385, 3627, 6045, 6093, 6975, 8801, 10075, 10155, 16925, 18135, 20987, 26403, 30225, 30465, 44005, 50775, 62961, 79209, 90675, 104935, 132015, 152325, 188883, 220025, 272831, 314805, 396045, 524675, 660075, 818493, 944415, 1364155, 1574025, 1980225, 2455479, 4092465, 4722075, 6820775, 12277395, 20462325, 61386975]

約数ペア:

[(1, 61386975), (3, 20462325), (5, 12277395), (9, 6820775), (13, 4722075), (15, 4092465), (25, 2455479), (31, 1980225), (39, 1574025), (45, 1364155), (65, 944415), (75, 818493), (93, 660075), (117, 524675), (155, 396045), (195, 314805), (225, 272831), (279, 220025), (325, 188883), (403, 152325), (465, 132015), (585, 104935), (677, 90675), (775, 79209), (975, 62961), (1209, 50775), (1395, 44005), (2015, 30465), (2031, 30225), (2325, 26403), (2925, 20987), (3385, 18135), (3627, 16925), (6045, 10155), (6093, 10075), (6975, 8801)]