18652275

素因数分解:

$3^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:234

約数の個数: 60

約数和(自身を含む): 35349424

約数和(自身を除く): 16697149

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 81, 135, 151, 183, 225, 305, 405, 453, 549, 675, 755, 915, 1359, 1525, 1647, 2025, 2265, 2745, 3775, 4077, 4575, 4941, 6795, 8235, 9211, 11325, 12231, 13725, 20385, 24705, 27633, 33975, 41175, 46055, 61155, 82899, 101925, 123525, 138165, 230275, 248697, 305775, 414495, 690825, 746091, 1243485, 2072475, 3730455, 6217425, 18652275]

約数ペア:

[(1, 18652275), (3, 6217425), (5, 3730455), (9, 2072475), (15, 1243485), (25, 746091), (27, 690825), (45, 414495), (61, 305775), (75, 248697), (81, 230275), (135, 138165), (151, 123525), (183, 101925), (225, 82899), (305, 61155), (405, 46055), (453, 41175), (549, 33975), (675, 27633), (755, 24705), (915, 20385), (1359, 13725), (1525, 12231), (1647, 11325), (2025, 9211), (2265, 8235), (2745, 6795), (3775, 4941), (4077, 4575)]