131380945

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 171694080

約数和(自身を除く): 40313135

約数列:

[1, 5, 23, 31, 115, 137, 155, 269, 685, 713, 1345, 3151, 3565, 4247, 6187, 8339, 15755, 21235, 30935, 36853, 41695, 97681, 184265, 191797, 488405, 847619, 958985, 1142443, 4238095, 5712215, 26276189, 131380945]

約数ペア:

[(1, 131380945), (5, 26276189), (23, 5712215), (31, 4238095), (115, 1142443), (137, 958985), (155, 847619), (269, 488405), (685, 191797), (713, 184265), (1345, 97681), (3151, 41695), (3565, 36853), (4247, 30935), (6187, 21235), (8339, 15755)]