157021905

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1\times {\mathrm{743}}^1$

素因数の和:1017

約数の個数: 32

約数和(自身を含む): 256340736

約数和(自身を除く): 99318831

約数列:

[1, 3, 5, 15, 73, 193, 219, 365, 579, 743, 965, 1095, 2229, 2895, 3715, 11145, 14089, 42267, 54239, 70445, 143399, 162717, 211335, 271195, 430197, 716995, 813585, 2150985, 10468127, 31404381, 52340635, 157021905]

約数ペア:

[(1, 157021905), (3, 52340635), (5, 31404381), (15, 10468127), (73, 2150985), (193, 813585), (219, 716995), (365, 430197), (579, 271195), (743, 211335), (965, 162717), (1095, 143399), (2229, 70445), (2895, 54239), (3715, 42267), (11145, 14089)]