397544911455

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1\times {\mathrm{821}}^1\times {\mathrm{1481}}^1$

素因数の和:2688

約数の個数: 64

約数和(自身を含む): 648357405696

約数和(自身を除く): 250812494241

約数列:

[1, 3, 5, 15, 71, 213, 307, 355, 821, 921, 1065, 1481, 1535, 2463, 4105, 4443, 4605, 7405, 12315, 21797, 22215, 58291, 65391, 105151, 108985, 174873, 252047, 291455, 315453, 326955, 454667, 525755, 756141, 874365, 1215901, 1260235, 1364001, 1577265, 2273335, 3647703, 3780705, 6079505, 6820005, 17895337, 18238515, 32281357, 53686011, 86328971, 89476685, 96844071, 161406785, 258986913, 268430055, 373281607, 431644855, 484220355, 1119844821, 1294934565, 1866408035, 5599224105, 26502994097, 79508982291, 132514970485, 397544911455]

約数ペア:

[(1, 397544911455), (3, 132514970485), (5, 79508982291), (15, 26502994097), (71, 5599224105), (213, 1866408035), (307, 1294934565), (355, 1119844821), (821, 484220355), (921, 431644855), (1065, 373281607), (1481, 268430055), (1535, 258986913), (2463, 161406785), (4105, 96844071), (4443, 89476685), (4605, 86328971), (7405, 53686011), (12315, 32281357), (21797, 18238515), (22215, 17895337), (58291, 6820005), (65391, 6079505), (105151, 3780705), (108985, 3647703), (174873, 2273335), (252047, 1577265), (291455, 1364001), (315453, 1260235), (326955, 1215901), (454667, 874365), (525755, 756141)]