149780979

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{1787}}^1$

素因数の和:1999

約数の個数: 24

約数和(自身を含む): 221282880

約数和(自身を除く): 71501901

約数列:

[1, 3, 9, 67, 139, 201, 417, 603, 1251, 1787, 5361, 9313, 16083, 27939, 83817, 119729, 248393, 359187, 745179, 1077561, 2235537, 16642331, 49926993, 149780979]

約数ペア:

[(1, 149780979), (3, 49926993), (9, 16642331), (67, 2235537), (139, 1077561), (201, 745179), (417, 359187), (603, 248393), (1251, 119729), (1787, 83817), (5361, 27939), (9313, 16083)]