21776625

素因数分解:

$3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1489}}^1$

素因数の和:1523

約数の個数: 48

約数和(自身を含む): 42304080

約数和(自身を除く): 20527455

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 125, 195, 225, 325, 375, 585, 975, 1125, 1489, 1625, 2925, 4467, 4875, 7445, 13401, 14625, 19357, 22335, 37225, 58071, 67005, 96785, 111675, 174213, 186125, 290355, 335025, 483925, 558375, 871065, 1451775, 1675125, 2419625, 4355325, 7258875, 21776625]

約数ペア:

[(1, 21776625), (3, 7258875), (5, 4355325), (9, 2419625), (13, 1675125), (15, 1451775), (25, 871065), (39, 558375), (45, 483925), (65, 335025), (75, 290355), (117, 186125), (125, 174213), (195, 111675), (225, 96785), (325, 67005), (375, 58071), (585, 37225), (975, 22335), (1125, 19357), (1489, 14625), (1625, 13401), (2925, 7445), (4467, 4875)]