1292640135

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{220399}}^1$

素因数の和:220447

約数の個数: 32

約数和(自身を含む): 2285107200

約数和(自身を除く): 992467065

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 1173, 1955, 5865, 220399, 661197, 1101995, 3305985, 3746783, 5069177, 11240349, 15207531, 18733915, 25345885, 56201745, 76037655, 86176009, 258528027, 430880045, 1292640135]

約数ペア:

[(1, 1292640135), (3, 430880045), (5, 258528027), (15, 86176009), (17, 76037655), (23, 56201745), (51, 25345885), (69, 18733915), (85, 15207531), (115, 11240349), (255, 5069177), (345, 3746783), (391, 3305985), (1173, 1101995), (1955, 661197), (5865, 220399)]