1898775

素因数分解:

$3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 3645600

約数和(自身を除く): 1746825

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 87, 97, 135, 145, 225, 261, 291, 435, 485, 675, 725, 783, 873, 1305, 1455, 2175, 2425, 2619, 2813, 3915, 4365, 6525, 7275, 8439, 13095, 14065, 19575, 21825, 25317, 42195, 65475, 70325, 75951, 126585, 210975, 379755, 632925, 1898775]

約数ペア:

[(1, 1898775), (3, 632925), (5, 379755), (9, 210975), (15, 126585), (25, 75951), (27, 70325), (29, 65475), (45, 42195), (75, 25317), (87, 21825), (97, 19575), (135, 14065), (145, 13095), (225, 8439), (261, 7275), (291, 6525), (435, 4365), (485, 3915), (675, 2813), (725, 2619), (783, 2425), (873, 2175), (1305, 1455)]