66121605

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{139}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 130122720

約数和(自身を除く): 64001115

約数列:

[1, 3, 5, 9, 11, 15, 31, 33, 45, 55, 93, 99, 139, 155, 165, 279, 341, 417, 465, 495, 695, 961, 1023, 1251, 1395, 1529, 1705, 2085, 2883, 3069, 4309, 4587, 4805, 5115, 6255, 7645, 8649, 10571, 12927, 13761, 14415, 15345, 21545, 22935, 31713, 38781, 43245, 47399, 52855, 64635, 68805, 95139, 133579, 142197, 158565, 193905, 236995, 400737, 426591, 475695, 667895, 710985, 1202211, 1469369, 2003685, 2132955, 4408107, 6011055, 7346845, 13224321, 22040535, 66121605]

約数ペア:

[(1, 66121605), (3, 22040535), (5, 13224321), (9, 7346845), (11, 6011055), (15, 4408107), (31, 2132955), (33, 2003685), (45, 1469369), (55, 1202211), (93, 710985), (99, 667895), (139, 475695), (155, 426591), (165, 400737), (279, 236995), (341, 193905), (417, 158565), (465, 142197), (495, 133579), (695, 95139), (961, 68805), (1023, 64635), (1251, 52855), (1395, 47399), (1529, 43245), (1705, 38781), (2085, 31713), (2883, 22935), (3069, 21545), (4309, 15345), (4587, 14415), (4805, 13761), (5115, 12927), (6255, 10571), (7645, 8649)]