391025145

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{76001}}^1$

素因数の和:76030

約数の個数: 32

約数和(自身を含む): 729619200

約数和(自身を除く): 338594055

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 5145, 76001, 228003, 380005, 532007, 1140015, 1596021, 2660035, 3724049, 7980105, 11172147, 18620245, 26068343, 55860735, 78205029, 130341715, 391025145]

約数ペア:

[(1, 391025145), (3, 130341715), (5, 78205029), (7, 55860735), (15, 26068343), (21, 18620245), (35, 11172147), (49, 7980105), (105, 3724049), (147, 2660035), (245, 1596021), (343, 1140015), (735, 532007), (1029, 380005), (1715, 228003), (5145, 76001)]