1898325

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1$

素因数の和:99

約数の個数: 72

約数和(自身を含む): 4062240

約数和(自身を除く): 2163915

約数列:

[1, 3, 5, 9, 11, 13, 15, 25, 33, 39, 45, 55, 59, 65, 75, 99, 117, 143, 165, 177, 195, 225, 275, 295, 325, 429, 495, 531, 585, 649, 715, 767, 825, 885, 975, 1287, 1475, 1947, 2145, 2301, 2475, 2655, 2925, 3245, 3575, 3835, 4425, 5841, 6435, 6903, 8437, 9735, 10725, 11505, 13275, 16225, 19175, 25311, 29205, 32175, 34515, 42185, 48675, 57525, 75933, 126555, 146025, 172575, 210925, 379665, 632775, 1898325]

約数ペア:

[(1, 1898325), (3, 632775), (5, 379665), (9, 210925), (11, 172575), (13, 146025), (15, 126555), (25, 75933), (33, 57525), (39, 48675), (45, 42185), (55, 34515), (59, 32175), (65, 29205), (75, 25311), (99, 19175), (117, 16225), (143, 13275), (165, 11505), (177, 10725), (195, 9735), (225, 8437), (275, 6903), (295, 6435), (325, 5841), (429, 4425), (495, 3835), (531, 3575), (585, 3245), (649, 2925), (715, 2655), (767, 2475), (825, 2301), (885, 2145), (975, 1947), (1287, 1475)]