71081829

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{379}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 127254400

約数和(自身を除く): 56172571

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 229, 273, 379, 687, 819, 1137, 1603, 2061, 2653, 2977, 3411, 4809, 4927, 7959, 8931, 14427, 14781, 20839, 23877, 26793, 34489, 44343, 62517, 86791, 103467, 187551, 260373, 310401, 607537, 781119, 1128283, 1822611, 3384849, 5467833, 7897981, 10154547, 23693943, 71081829]

約数ペア:

[(1, 71081829), (3, 23693943), (7, 10154547), (9, 7897981), (13, 5467833), (21, 3384849), (39, 1822611), (63, 1128283), (91, 781119), (117, 607537), (229, 310401), (273, 260373), (379, 187551), (687, 103467), (819, 86791), (1137, 62517), (1603, 44343), (2061, 34489), (2653, 26793), (2977, 23877), (3411, 20839), (4809, 14781), (4927, 14427), (7959, 8931)]