81342835

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2731}}^1$

素因数の和:2803

約数の個数: 32

約数和(自身を含む): 119596032

約数和(自身を除く): 38253197

約数列:

[1, 5, 7, 23, 35, 37, 115, 161, 185, 259, 805, 851, 1295, 2731, 4255, 5957, 13655, 19117, 29785, 62813, 95585, 101047, 314065, 439691, 505235, 707329, 2198455, 2324081, 3536645, 11620405, 16268567, 81342835]

約数ペア:

[(1, 81342835), (5, 16268567), (7, 11620405), (23, 3536645), (35, 2324081), (37, 2198455), (115, 707329), (161, 505235), (185, 439691), (259, 314065), (805, 101047), (851, 95585), (1295, 62813), (2731, 29785), (4255, 19117), (5957, 13655)]