658891779

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1993}}^1$

素因数の和:2196

約数の個数: 48

約数和(自身を含む): 1107483552

約数和(自身を除く): 448591773

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 173, 273, 519, 637, 1211, 1911, 1993, 2249, 3633, 5979, 6747, 8477, 13951, 15743, 25431, 25909, 41853, 47229, 77727, 97657, 110201, 181363, 292971, 330603, 344789, 544089, 1034367, 1269541, 2413523, 3808623, 4482257, 7240569, 13446771, 16894661, 31375799, 50683983, 94127397, 219630593, 658891779]

約数ペア:

[(1, 658891779), (3, 219630593), (7, 94127397), (13, 50683983), (21, 31375799), (39, 16894661), (49, 13446771), (91, 7240569), (147, 4482257), (173, 3808623), (273, 2413523), (519, 1269541), (637, 1034367), (1211, 544089), (1911, 344789), (1993, 330603), (2249, 292971), (3633, 181363), (5979, 110201), (6747, 97657), (8477, 77727), (13951, 47229), (15743, 41853), (25431, 25909)]