427986

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:111

約数の個数: 48

約数和(自身を含む): 1048320

約数和(自身を除く): 620334

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 59, 62, 78, 93, 117, 118, 177, 186, 234, 279, 354, 403, 531, 558, 767, 806, 1062, 1209, 1534, 1829, 2301, 2418, 3627, 3658, 4602, 5487, 6903, 7254, 10974, 13806, 16461, 23777, 32922, 47554, 71331, 142662, 213993, 427986]

約数ペア:

[(1, 427986), (2, 213993), (3, 142662), (6, 71331), (9, 47554), (13, 32922), (18, 23777), (26, 16461), (31, 13806), (39, 10974), (59, 7254), (62, 6903), (78, 5487), (93, 4602), (117, 3658), (118, 3627), (177, 2418), (186, 2301), (234, 1829), (279, 1534), (354, 1209), (403, 1062), (531, 806), (558, 767)]