51238530

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{81331}}^1$

素因数の和:81351

約数の個数: 48

約数和(自身を含む): 152253504

約数和(自身を除く): 101014974

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 81331, 162662, 243993, 406655, 487986, 569317, 731979, 813310, 1138634, 1219965, 1463958, 1707951, 2439930, 2846585, 3415902, 3659895, 5123853, 5693170, 7319790, 8539755, 10247706, 17079510, 25619265, 51238530]

約数ペア:

[(1, 51238530), (2, 25619265), (3, 17079510), (5, 10247706), (6, 8539755), (7, 7319790), (9, 5693170), (10, 5123853), (14, 3659895), (15, 3415902), (18, 2846585), (21, 2439930), (30, 1707951), (35, 1463958), (42, 1219965), (45, 1138634), (63, 813310), (70, 731979), (90, 569317), (105, 487986), (126, 406655), (210, 243993), (315, 162662), (630, 81331)]