81543165

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{21487}}^1$

素因数の和:21529

約数の個数: 32

約数和(自身を含む): 148525056

約数和(自身を除く): 66981891

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3795, 21487, 64461, 107435, 236357, 322305, 494201, 709071, 1181785, 1482603, 2471005, 3545355, 5436211, 7413015, 16308633, 27181055, 81543165]

約数ペア:

[(1, 81543165), (3, 27181055), (5, 16308633), (11, 7413015), (15, 5436211), (23, 3545355), (33, 2471005), (55, 1482603), (69, 1181785), (115, 709071), (165, 494201), (253, 322305), (345, 236357), (759, 107435), (1265, 64461), (3795, 21487)]