87756123

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 147102720

約数和(自身を除く): 59346597

約数列:

[1, 3, 7, 13, 21, 39, 79, 91, 169, 237, 273, 313, 507, 553, 939, 1027, 1183, 1659, 2191, 3081, 3549, 4069, 6573, 7189, 12207, 13351, 21567, 24727, 28483, 40053, 52897, 74181, 85449, 93457, 158691, 173089, 280371, 321451, 370279, 519267, 964353, 1110837, 2250157, 4178863, 6750471, 12536589, 29252041, 87756123]

約数ペア:

[(1, 87756123), (3, 29252041), (7, 12536589), (13, 6750471), (21, 4178863), (39, 2250157), (79, 1110837), (91, 964353), (169, 519267), (237, 370279), (273, 321451), (313, 280371), (507, 173089), (553, 158691), (939, 93457), (1027, 85449), (1183, 74181), (1659, 52897), (2191, 40053), (3081, 28483), (3549, 24727), (4069, 21567), (6573, 13351), (7189, 12207)]