61915

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:102

約数の個数: 16

約数和(自身を含む): 89280

約数和(自身を除く): 27365

約数列:

[1, 5, 7, 29, 35, 61, 145, 203, 305, 427, 1015, 1769, 2135, 8845, 12383, 61915]

約数ペア:

[(1, 61915), (5, 12383), (7, 8845), (29, 2135), (35, 1769), (61, 1015), (145, 427), (203, 305)]