28491135

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{307}}^1$

素因数の和:607

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 19409025

約数列:

[1, 3, 5, 15, 23, 69, 115, 269, 307, 345, 807, 921, 1345, 1535, 4035, 4605, 6187, 7061, 18561, 21183, 30935, 35305, 82583, 92805, 105915, 247749, 412915, 1238745, 1899409, 5698227, 9497045, 28491135]

約数ペア:

[(1, 28491135), (3, 9497045), (5, 5698227), (15, 1899409), (23, 1238745), (69, 412915), (115, 247749), (269, 105915), (307, 92805), (345, 82583), (807, 35305), (921, 30935), (1345, 21183), (1535, 18561), (4035, 7061), (4605, 6187)]