17318925

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 34664448

約数和(自身を除く): 17345523

約数列:

[1, 3, 5, 9, 13, 15, 25, 31, 39, 45, 65, 75, 93, 117, 155, 191, 195, 225, 279, 325, 403, 465, 573, 585, 775, 955, 975, 1209, 1395, 1719, 2015, 2325, 2483, 2865, 2925, 3627, 4775, 5921, 6045, 6975, 7449, 8595, 10075, 12415, 14325, 17763, 18135, 22347, 29605, 30225, 37245, 42975, 53289, 62075, 76973, 88815, 90675, 111735, 148025, 186225, 230919, 266445, 384865, 444075, 558675, 692757, 1154595, 1332225, 1924325, 3463785, 5772975, 17318925]

約数ペア:

[(1, 17318925), (3, 5772975), (5, 3463785), (9, 1924325), (13, 1332225), (15, 1154595), (25, 692757), (31, 558675), (39, 444075), (45, 384865), (65, 266445), (75, 230919), (93, 186225), (117, 148025), (155, 111735), (191, 90675), (195, 88815), (225, 76973), (279, 62075), (325, 53289), (403, 42975), (465, 37245), (573, 30225), (585, 29605), (775, 22347), (955, 18135), (975, 17763), (1209, 14325), (1395, 12415), (1719, 10075), (2015, 8595), (2325, 7449), (2483, 6975), (2865, 6045), (2925, 5921), (3627, 4775)]