1900518555

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{207367}}^1$

素因数の和:207435

約数の個数: 32

約数和(自身を含む): 3344431104

約数和(自身を除く): 1443912549

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 141, 195, 235, 611, 705, 1833, 3055, 9165, 207367, 622101, 1036835, 2695771, 3110505, 8087313, 9746249, 13478855, 29238747, 40436565, 48731245, 126701237, 146193735, 380103711, 633506185, 1900518555]

約数ペア:

[(1, 1900518555), (3, 633506185), (5, 380103711), (13, 146193735), (15, 126701237), (39, 48731245), (47, 40436565), (65, 29238747), (141, 13478855), (195, 9746249), (235, 8087313), (611, 3110505), (705, 2695771), (1833, 1036835), (3055, 622101), (9165, 207367)]