664694385

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1223}}^1\times {\mathrm{1907}}^1$

素因数の和:3157

約数の個数: 32

約数和(自身を含む): 1120988160

約数和(自身を除く): 456293775

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 1223, 1907, 3669, 5721, 6115, 9535, 18345, 23237, 28605, 36233, 69711, 108699, 116185, 181165, 348555, 543495, 2332261, 6996783, 11661305, 34983915, 44312959, 132938877, 221564795, 664694385]

約数ペア:

[(1, 664694385), (3, 221564795), (5, 132938877), (15, 44312959), (19, 34983915), (57, 11661305), (95, 6996783), (285, 2332261), (1223, 543495), (1907, 348555), (3669, 181165), (5721, 116185), (6115, 108699), (9535, 69711), (18345, 36233), (23237, 28605)]