66689775

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 125329776

約数和(自身を除く): 58640001

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 61, 75, 113, 129, 183, 215, 225, 305, 339, 387, 549, 565, 645, 915, 1017, 1075, 1525, 1695, 1935, 2623, 2745, 2825, 3225, 4575, 4859, 5085, 6893, 7869, 8475, 9675, 13115, 13725, 14577, 20679, 23607, 24295, 25425, 34465, 39345, 43731, 62037, 65575, 72885, 103395, 118035, 121475, 172325, 196725, 218655, 296399, 310185, 364425, 516975, 590175, 889197, 1093275, 1481995, 1550925, 2667591, 4445985, 7409975, 13337955, 22229925, 66689775]

約数ペア:

[(1, 66689775), (3, 22229925), (5, 13337955), (9, 7409975), (15, 4445985), (25, 2667591), (43, 1550925), (45, 1481995), (61, 1093275), (75, 889197), (113, 590175), (129, 516975), (183, 364425), (215, 310185), (225, 296399), (305, 218655), (339, 196725), (387, 172325), (549, 121475), (565, 118035), (645, 103395), (915, 72885), (1017, 65575), (1075, 62037), (1525, 43731), (1695, 39345), (1935, 34465), (2623, 25425), (2745, 24295), (2825, 23607), (3225, 20679), (4575, 14577), (4859, 13725), (5085, 13115), (6893, 9675), (7869, 8475)]