25389585

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:104

約数の個数: 128

約数和(自身を含む): 55157760

約数和(自身を除く): 29768175

約数列:

[1, 3, 5, 9, 13, 15, 17, 23, 27, 37, 39, 45, 51, 65, 69, 85, 111, 115, 117, 135, 153, 185, 195, 207, 221, 255, 299, 333, 345, 351, 391, 459, 481, 555, 585, 621, 629, 663, 765, 851, 897, 999, 1035, 1105, 1173, 1443, 1495, 1665, 1755, 1887, 1955, 1989, 2295, 2405, 2553, 2691, 3105, 3145, 3315, 3519, 4255, 4329, 4485, 4995, 5083, 5661, 5865, 5967, 7215, 7659, 8073, 8177, 9435, 9945, 10557, 11063, 12765, 12987, 13455, 14467, 15249, 16983, 17595, 21645, 22977, 24531, 25415, 28305, 29835, 33189, 38295, 40365, 40885, 43401, 45747, 52785, 55315, 64935, 72335, 73593, 76245, 84915, 99567, 114885, 122655, 130203, 137241, 165945, 188071, 217005, 220779, 228735, 298701, 367965, 390609, 497835, 564213, 651015, 686205, 940355, 1103895, 1493505, 1692639, 1953045, 2821065, 5077917, 8463195, 25389585]

約数ペア:

[(1, 25389585), (3, 8463195), (5, 5077917), (9, 2821065), (13, 1953045), (15, 1692639), (17, 1493505), (23, 1103895), (27, 940355), (37, 686205), (39, 651015), (45, 564213), (51, 497835), (65, 390609), (69, 367965), (85, 298701), (111, 228735), (115, 220779), (117, 217005), (135, 188071), (153, 165945), (185, 137241), (195, 130203), (207, 122655), (221, 114885), (255, 99567), (299, 84915), (333, 76245), (345, 73593), (351, 72335), (391, 64935), (459, 55315), (481, 52785), (555, 45747), (585, 43401), (621, 40885), (629, 40365), (663, 38295), (765, 33189), (851, 29835), (897, 28305), (999, 25415), (1035, 24531), (1105, 22977), (1173, 21645), (1443, 17595), (1495, 16983), (1665, 15249), (1755, 14467), (1887, 13455), (1955, 12987), (1989, 12765), (2295, 11063), (2405, 10557), (2553, 9945), (2691, 9435), (3105, 8177), (3145, 8073), (3315, 7659), (3519, 7215), (4255, 5967), (4329, 5865), (4485, 5661), (4995, 5083)]