25212825

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 50371776

約数和(自身を除く): 25158951

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 61, 75, 99, 165, 167, 183, 225, 275, 305, 495, 501, 549, 671, 825, 835, 915, 1503, 1525, 1837, 2013, 2475, 2505, 2745, 3355, 4175, 4575, 5511, 6039, 7515, 9185, 10065, 10187, 12525, 13725, 16533, 16775, 27555, 30195, 30561, 37575, 45925, 50325, 50935, 82665, 91683, 112057, 137775, 150975, 152805, 254675, 336171, 413325, 458415, 560285, 764025, 1008513, 1680855, 2292075, 2801425, 5042565, 8404275, 25212825]

約数ペア:

[(1, 25212825), (3, 8404275), (5, 5042565), (9, 2801425), (11, 2292075), (15, 1680855), (25, 1008513), (33, 764025), (45, 560285), (55, 458415), (61, 413325), (75, 336171), (99, 254675), (165, 152805), (167, 150975), (183, 137775), (225, 112057), (275, 91683), (305, 82665), (495, 50935), (501, 50325), (549, 45925), (671, 37575), (825, 30561), (835, 30195), (915, 27555), (1503, 16775), (1525, 16533), (1837, 13725), (2013, 12525), (2475, 10187), (2505, 10065), (2745, 9185), (3355, 7515), (4175, 6039), (4575, 5511)]