31298505

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{439}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 58988160

約数和(自身を除く): 27689655

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 97, 105, 147, 245, 291, 439, 485, 679, 735, 1317, 1455, 2037, 2195, 3073, 3395, 4753, 6585, 9219, 10185, 14259, 15365, 21511, 23765, 42583, 46095, 64533, 71295, 107555, 127749, 212915, 298081, 322665, 638745, 894243, 1490405, 2086567, 4471215, 6259701, 10432835, 31298505]

約数ペア:

[(1, 31298505), (3, 10432835), (5, 6259701), (7, 4471215), (15, 2086567), (21, 1490405), (35, 894243), (49, 638745), (97, 322665), (105, 298081), (147, 212915), (245, 127749), (291, 107555), (439, 71295), (485, 64533), (679, 46095), (735, 42583), (1317, 23765), (1455, 21511), (2037, 15365), (2195, 14259), (3073, 10185), (3395, 9219), (4753, 6585)]