2150775

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{79}}^1$

素因数の和:117

約数の個数: 54

約数和(自身を含む): 4287920

約数和(自身を除く): 2137145

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 79, 99, 121, 165, 225, 237, 275, 363, 395, 495, 605, 711, 825, 869, 1089, 1185, 1815, 1975, 2475, 2607, 3025, 3555, 4345, 5445, 5925, 7821, 9075, 9559, 13035, 17775, 21725, 27225, 28677, 39105, 47795, 65175, 86031, 143385, 195525, 238975, 430155, 716925, 2150775]

約数ペア:

[(1, 2150775), (3, 716925), (5, 430155), (9, 238975), (11, 195525), (15, 143385), (25, 86031), (33, 65175), (45, 47795), (55, 39105), (75, 28677), (79, 27225), (99, 21725), (121, 17775), (165, 13035), (225, 9559), (237, 9075), (275, 7821), (363, 5925), (395, 5445), (495, 4345), (605, 3555), (711, 3025), (825, 2607), (869, 2475), (1089, 1975), (1185, 1815)]