18314775

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:693

約数の個数: 48

約数和(自身を含む): 34481920

約数和(自身を除く): 16167145

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 129, 135, 215, 225, 387, 631, 645, 675, 1075, 1161, 1893, 1935, 3155, 3225, 5679, 5805, 9465, 9675, 15775, 17037, 27133, 28395, 29025, 47325, 81399, 85185, 135665, 141975, 244197, 406995, 425925, 678325, 732591, 1220985, 2034975, 3662955, 6104925, 18314775]

約数ペア:

[(1, 18314775), (3, 6104925), (5, 3662955), (9, 2034975), (15, 1220985), (25, 732591), (27, 678325), (43, 425925), (45, 406995), (75, 244197), (129, 141975), (135, 135665), (215, 85185), (225, 81399), (387, 47325), (631, 29025), (645, 28395), (675, 27133), (1075, 17037), (1161, 15775), (1893, 9675), (1935, 9465), (3155, 5805), (3225, 5679)]