9991575

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{367}}^1$

素因数の和:405

約数の個数: 54

約数和(自身を含む): 19724432

約数和(自身を除く): 9732857

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 121, 165, 225, 275, 363, 367, 495, 605, 825, 1089, 1101, 1815, 1835, 2475, 3025, 3303, 4037, 5445, 5505, 9075, 9175, 12111, 16515, 20185, 27225, 27525, 36333, 44407, 60555, 82575, 100925, 133221, 181665, 222035, 302775, 399663, 666105, 908325, 1110175, 1998315, 3330525, 9991575]

約数ペア:

[(1, 9991575), (3, 3330525), (5, 1998315), (9, 1110175), (11, 908325), (15, 666105), (25, 399663), (33, 302775), (45, 222035), (55, 181665), (75, 133221), (99, 100925), (121, 82575), (165, 60555), (225, 44407), (275, 36333), (363, 27525), (367, 27225), (495, 20185), (605, 16515), (825, 12111), (1089, 9175), (1101, 9075), (1815, 5505), (1835, 5445), (2475, 4037), (3025, 3303)]