81351972

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{57943}}^1$

素因数の和:57969

約数の個数: 48

約数和(自身を含む): 227140480

約数和(自身を除く): 145788508

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 57943, 115886, 173829, 231772, 347658, 521487, 695316, 753259, 1042974, 1506518, 1564461, 2085948, 2259777, 3013036, 3128922, 4519554, 6257844, 6779331, 9039108, 13558662, 20337993, 27117324, 40675986, 81351972]

約数ペア:

[(1, 81351972), (2, 40675986), (3, 27117324), (4, 20337993), (6, 13558662), (9, 9039108), (12, 6779331), (13, 6257844), (18, 4519554), (26, 3128922), (27, 3013036), (36, 2259777), (39, 2085948), (52, 1564461), (54, 1506518), (78, 1042974), (108, 753259), (117, 695316), (156, 521487), (234, 347658), (351, 231772), (468, 173829), (702, 115886), (1404, 57943)]