856551753

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{907}}^1$

素因数の和:1139

約数の個数: 40

約数和(自身を含む): 1305231840

約数和(自身を除く): 448680087

約数列:

[1, 3, 9, 27, 81, 89, 131, 267, 393, 801, 907, 1179, 2403, 2721, 3537, 7209, 8163, 10611, 11659, 24489, 34977, 73467, 80723, 104931, 118817, 242169, 314793, 356451, 726507, 944379, 1069353, 2179521, 3208059, 6538563, 9624177, 10574713, 31724139, 95172417, 285517251, 856551753]

約数ペア:

[(1, 856551753), (3, 285517251), (9, 95172417), (27, 31724139), (81, 10574713), (89, 9624177), (131, 6538563), (267, 3208059), (393, 2179521), (801, 1069353), (907, 944379), (1179, 726507), (2403, 356451), (2721, 314793), (3537, 242169), (7209, 118817), (8163, 104931), (10611, 80723), (11659, 73467), (24489, 34977)]