86876985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{797}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 154211904

約数和(自身を除く): 67334919

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 169, 195, 215, 507, 559, 645, 797, 845, 1677, 2391, 2535, 2795, 3985, 7267, 8385, 10361, 11955, 21801, 31083, 34271, 36335, 51805, 102813, 109005, 134693, 155415, 171355, 404079, 445523, 514065, 673465, 1336569, 2020395, 2227615, 5791799, 6682845, 17375397, 28958995, 86876985]

約数ペア:

[(1, 86876985), (3, 28958995), (5, 17375397), (13, 6682845), (15, 5791799), (39, 2227615), (43, 2020395), (65, 1336569), (129, 673465), (169, 514065), (195, 445523), (215, 404079), (507, 171355), (559, 155415), (645, 134693), (797, 109005), (845, 102813), (1677, 51805), (2391, 36335), (2535, 34271), (2795, 31083), (3985, 21801), (7267, 11955), (8385, 10361)]