73193757

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 128593920

約数和(自身を除く): 55400163

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 103, 133, 137, 247, 273, 309, 399, 411, 721, 741, 959, 1339, 1729, 1781, 1957, 2163, 2603, 2877, 4017, 5187, 5343, 5871, 7809, 9373, 12467, 13699, 14111, 18221, 25441, 28119, 33839, 37401, 41097, 42333, 54663, 76323, 98777, 101517, 178087, 183443, 236873, 268109, 296331, 534261, 550329, 710619, 804327, 1284101, 1876763, 3485417, 3852303, 5630289, 10456251, 24397919, 73193757]

約数ペア:

[(1, 73193757), (3, 24397919), (7, 10456251), (13, 5630289), (19, 3852303), (21, 3485417), (39, 1876763), (57, 1284101), (91, 804327), (103, 710619), (133, 550329), (137, 534261), (247, 296331), (273, 268109), (309, 236873), (399, 183443), (411, 178087), (721, 101517), (741, 98777), (959, 76323), (1339, 54663), (1729, 42333), (1781, 41097), (1957, 37401), (2163, 33839), (2603, 28119), (2877, 25441), (4017, 18221), (5187, 14111), (5343, 13699), (5871, 12467), (7809, 9373)]