77561757

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 142912224

約数和(自身を除く): 65350467

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 83, 91, 117, 147, 163, 249, 273, 441, 489, 581, 637, 747, 819, 1079, 1141, 1467, 1743, 1911, 2119, 3237, 3423, 4067, 5229, 5733, 6357, 7553, 7987, 9711, 10269, 12201, 13529, 14833, 19071, 22659, 23961, 36603, 40587, 44499, 52871, 67977, 71883, 94703, 103831, 121761, 133497, 158613, 175877, 284109, 311493, 475839, 527631, 662921, 852327, 934479, 1231139, 1582893, 1988763, 3693417, 5966289, 8617973, 11080251, 25853919, 77561757]

約数ペア:

[(1, 77561757), (3, 25853919), (7, 11080251), (9, 8617973), (13, 5966289), (21, 3693417), (39, 1988763), (49, 1582893), (63, 1231139), (83, 934479), (91, 852327), (117, 662921), (147, 527631), (163, 475839), (249, 311493), (273, 284109), (441, 175877), (489, 158613), (581, 133497), (637, 121761), (747, 103831), (819, 94703), (1079, 71883), (1141, 67977), (1467, 52871), (1743, 44499), (1911, 40587), (2119, 36603), (3237, 23961), (3423, 22659), (4067, 19071), (5229, 14833), (5733, 13529), (6357, 12201), (7553, 10269), (7987, 9711)]