31221414

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^2\times {\mathrm{181}}^1$

素因数の和:270

約数の個数: 72

約数和(自身を含む): 79895088

約数和(自身を除く): 48673674

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 181, 222, 259, 333, 362, 518, 543, 666, 777, 1086, 1267, 1369, 1554, 1629, 2331, 2534, 2738, 3258, 3801, 4107, 4662, 6697, 7602, 8214, 9583, 11403, 12321, 13394, 19166, 20091, 22806, 24642, 28749, 40182, 46879, 57498, 60273, 86247, 93758, 120546, 140637, 172494, 247789, 281274, 421911, 495578, 743367, 843822, 1486734, 1734523, 2230101, 3469046, 4460202, 5203569, 10407138, 15610707, 31221414]

約数ペア:

[(1, 31221414), (2, 15610707), (3, 10407138), (6, 5203569), (7, 4460202), (9, 3469046), (14, 2230101), (18, 1734523), (21, 1486734), (37, 843822), (42, 743367), (63, 495578), (74, 421911), (111, 281274), (126, 247789), (181, 172494), (222, 140637), (259, 120546), (333, 93758), (362, 86247), (518, 60273), (543, 57498), (666, 46879), (777, 40182), (1086, 28749), (1267, 24642), (1369, 22806), (1554, 20091), (1629, 19166), (2331, 13394), (2534, 12321), (2738, 11403), (3258, 9583), (3801, 8214), (4107, 7602), (4662, 6697)]