1491990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1213}}^1$

素因数の和:1264

約数の個数: 32

約数和(自身を含む): 3671136

約数和(自身を除く): 2179146

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1213, 1230, 2426, 3639, 6065, 7278, 12130, 18195, 36390, 49733, 99466, 149199, 248665, 298398, 497330, 745995, 1491990]

約数ペア:

[(1, 1491990), (2, 745995), (3, 497330), (5, 298398), (6, 248665), (10, 149199), (15, 99466), (30, 49733), (41, 36390), (82, 18195), (123, 12130), (205, 7278), (246, 6065), (410, 3639), (615, 2426), (1213, 1230)]