213708375

素因数分解:

$3^4\times 5^3\times {\mathrm{21107}}^1$

素因数の和:21134

約数の個数: 40

約数和(自身を含む): 398434608

約数和(自身を除く): 184726233

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 675, 1125, 2025, 3375, 10125, 21107, 63321, 105535, 189963, 316605, 527675, 569889, 949815, 1583025, 1709667, 2638375, 2849445, 4749075, 7915125, 8548335, 14247225, 23745375, 42741675, 71236125, 213708375]

約数ペア:

[(1, 213708375), (3, 71236125), (5, 42741675), (9, 23745375), (15, 14247225), (25, 8548335), (27, 7915125), (45, 4749075), (75, 2849445), (81, 2638375), (125, 1709667), (135, 1583025), (225, 949815), (375, 569889), (405, 527675), (675, 316605), (1125, 189963), (2025, 105535), (3375, 63321), (10125, 21107)]