51221775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1321}}^1$

素因数の和:1392

約数の個数: 48

約数和(自身を含む): 94422528

約数和(自身を除く): 43200753

約数列:

[1, 3, 5, 11, 15, 25, 33, 47, 55, 75, 141, 165, 235, 275, 517, 705, 825, 1175, 1321, 1551, 2585, 3525, 3963, 6605, 7755, 12925, 14531, 19815, 33025, 38775, 43593, 62087, 72655, 99075, 186261, 217965, 310435, 363275, 682957, 931305, 1089825, 1552175, 2048871, 3414785, 4656525, 10244355, 17073925, 51221775]

約数ペア:

[(1, 51221775), (3, 17073925), (5, 10244355), (11, 4656525), (15, 3414785), (25, 2048871), (33, 1552175), (47, 1089825), (55, 931305), (75, 682957), (141, 363275), (165, 310435), (235, 217965), (275, 186261), (517, 99075), (705, 72655), (825, 62087), (1175, 43593), (1321, 38775), (1551, 33025), (2585, 19815), (3525, 14531), (3963, 12925), (6605, 7755)]