77985117

素因数分解:

$3^2\times 7^2\times {\mathrm{181}}^1\times {\mathrm{977}}^1$

素因数の和:1178

約数の個数: 36

約数和(自身を含む): 131895036

約数和(自身を除く): 53909919

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 181, 441, 543, 977, 1267, 1629, 2931, 3801, 6839, 8793, 8869, 11403, 20517, 26607, 47873, 61551, 79821, 143619, 176837, 430857, 530511, 1237859, 1591533, 3713577, 8665013, 11140731, 25995039, 77985117]

約数ペア:

[(1, 77985117), (3, 25995039), (7, 11140731), (9, 8665013), (21, 3713577), (49, 1591533), (63, 1237859), (147, 530511), (181, 430857), (441, 176837), (543, 143619), (977, 79821), (1267, 61551), (1629, 47873), (2931, 26607), (3801, 20517), (6839, 11403), (8793, 8869)]