15960009

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 24285184

約数和(自身を除く): 8325175

約数列:

[1, 3, 13, 31, 39, 43, 93, 129, 307, 403, 559, 921, 1209, 1333, 1677, 3991, 3999, 9517, 11973, 13201, 17329, 28551, 39603, 51987, 123721, 171613, 371163, 409231, 514839, 1227693, 5320003, 15960009]

約数ペア:

[(1, 15960009), (3, 5320003), (13, 1227693), (31, 514839), (39, 409231), (43, 371163), (93, 171613), (129, 123721), (307, 51987), (403, 39603), (559, 28551), (921, 17329), (1209, 13201), (1333, 11973), (1677, 9517), (3991, 3999)]