64918269

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 112334040

約数和(自身を除く): 47415771

約数列:

[1, 3, 9, 13, 19, 29, 39, 53, 57, 87, 117, 159, 171, 247, 261, 361, 377, 477, 551, 689, 741, 1007, 1083, 1131, 1537, 1653, 2067, 2223, 3021, 3249, 3393, 4611, 4693, 4959, 6201, 7163, 9063, 10469, 13091, 13833, 14079, 19133, 19981, 21489, 29203, 31407, 39273, 42237, 57399, 59943, 64467, 87609, 94221, 117819, 136097, 172197, 179829, 248729, 262827, 379639, 408291, 554857, 746187, 1138917, 1224873, 1664571, 2238561, 3416751, 4993713, 7213141, 21639423, 64918269]

約数ペア:

[(1, 64918269), (3, 21639423), (9, 7213141), (13, 4993713), (19, 3416751), (29, 2238561), (39, 1664571), (53, 1224873), (57, 1138917), (87, 746187), (117, 554857), (159, 408291), (171, 379639), (247, 262827), (261, 248729), (361, 179829), (377, 172197), (477, 136097), (551, 117819), (689, 94221), (741, 87609), (1007, 64467), (1083, 59943), (1131, 57399), (1537, 42237), (1653, 39273), (2067, 31407), (2223, 29203), (3021, 21489), (3249, 19981), (3393, 19133), (4611, 14079), (4693, 13833), (4959, 13091), (6201, 10469), (7163, 9063)]