145179993

素因数分解:

$3^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{3217}}^1$

素因数の和:3541

約数の個数: 24

約数和(自身を含む): 225980832

約数和(自身を除く): 80800839

約数列:

[1, 3, 7, 21, 49, 147, 307, 921, 2149, 3217, 6447, 9651, 15043, 22519, 45129, 67557, 157633, 472899, 987619, 2962857, 6913333, 20739999, 48393331, 145179993]

約数ペア:

[(1, 145179993), (3, 48393331), (7, 20739999), (21, 6913333), (49, 2962857), (147, 987619), (307, 472899), (921, 157633), (2149, 67557), (3217, 45129), (6447, 22519), (9651, 15043)]