28375905

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{353}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 47713536

約数和(自身を除く): 19337631

約数列:

[1, 3, 5, 15, 23, 69, 115, 233, 345, 353, 699, 1059, 1165, 1765, 3495, 5295, 5359, 8119, 16077, 24357, 26795, 40595, 80385, 82249, 121785, 246747, 411245, 1233735, 1891727, 5675181, 9458635, 28375905]

約数ペア:

[(1, 28375905), (3, 9458635), (5, 5675181), (15, 1891727), (23, 1233735), (69, 411245), (115, 246747), (233, 121785), (345, 82249), (353, 80385), (699, 40595), (1059, 26795), (1165, 24357), (1765, 16077), (3495, 8119), (5295, 5359)]