18143775

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6203}}^1$

素因数の和:6232

約数の個数: 36

約数和(自身を含む): 35002968

約数和(自身を除く): 16859193

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 6203, 18609, 31015, 55827, 80639, 93045, 155075, 241917, 279135, 403195, 465225, 725751, 1209585, 1395675, 2015975, 3628755, 6047925, 18143775]

約数ペア:

[(1, 18143775), (3, 6047925), (5, 3628755), (9, 2015975), (13, 1395675), (15, 1209585), (25, 725751), (39, 465225), (45, 403195), (65, 279135), (75, 241917), (117, 155075), (195, 93045), (225, 80639), (325, 55827), (585, 31015), (975, 18609), (2925, 6203)]