5101215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2557}}^1$

素因数の和:2591

約数の個数: 32

約数和(自身を含む): 9822720

約数和(自身を除く): 4721505

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 2557, 7671, 12785, 17899, 38355, 48583, 53697, 89495, 145749, 242915, 268485, 340081, 728745, 1020243, 1700405, 5101215]

約数ペア:

[(1, 5101215), (3, 1700405), (5, 1020243), (7, 728745), (15, 340081), (19, 268485), (21, 242915), (35, 145749), (57, 89495), (95, 53697), (105, 48583), (133, 38355), (285, 17899), (399, 12785), (665, 7671), (1995, 2557)]