15511881

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 26889408

約数和(自身を除く): 11377527

約数列:

[1, 3, 7, 11, 21, 33, 49, 53, 77, 147, 159, 181, 231, 371, 539, 543, 583, 1113, 1267, 1617, 1749, 1991, 2597, 3801, 4081, 5973, 7791, 8869, 9593, 12243, 13937, 26607, 28567, 28779, 41811, 67151, 85701, 97559, 105523, 201453, 292677, 316569, 470057, 738661, 1410171, 2215983, 5170627, 15511881]

約数ペア:

[(1, 15511881), (3, 5170627), (7, 2215983), (11, 1410171), (21, 738661), (33, 470057), (49, 316569), (53, 292677), (77, 201453), (147, 105523), (159, 97559), (181, 85701), (231, 67151), (371, 41811), (539, 28779), (543, 28567), (583, 26607), (1113, 13937), (1267, 12243), (1617, 9593), (1749, 8869), (1991, 7791), (2597, 5973), (3801, 4081)]