8639775

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:125

約数の個数: 72

約数和(自身を含む): 17022720

約数和(自身を除く): 8382945

約数列:

[1, 3, 5, 9, 15, 19, 25, 43, 45, 47, 57, 75, 95, 129, 141, 171, 215, 225, 235, 285, 387, 423, 475, 645, 705, 817, 855, 893, 1075, 1175, 1425, 1935, 2021, 2115, 2451, 2679, 3225, 3525, 4085, 4275, 4465, 6063, 7353, 8037, 9675, 10105, 10575, 12255, 13395, 18189, 20425, 22325, 30315, 36765, 38399, 40185, 50525, 61275, 66975, 90945, 115197, 151575, 183825, 191995, 200925, 345591, 454725, 575985, 959975, 1727955, 2879925, 8639775]

約数ペア:

[(1, 8639775), (3, 2879925), (5, 1727955), (9, 959975), (15, 575985), (19, 454725), (25, 345591), (43, 200925), (45, 191995), (47, 183825), (57, 151575), (75, 115197), (95, 90945), (129, 66975), (141, 61275), (171, 50525), (215, 40185), (225, 38399), (235, 36765), (285, 30315), (387, 22325), (423, 20425), (475, 18189), (645, 13395), (705, 12255), (817, 10575), (855, 10105), (893, 9675), (1075, 8037), (1175, 7353), (1425, 6063), (1935, 4465), (2021, 4275), (2115, 4085), (2451, 3525), (2679, 3225)]