15779253

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 25712640

約数和(自身を除く): 9933387

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 557, 1349, 1491, 1671, 3899, 4047, 9443, 10583, 11697, 28329, 31749, 39547, 74081, 118641, 222243, 276829, 751393, 830487, 2254179, 5259751, 15779253]

約数ペア:

[(1, 15779253), (3, 5259751), (7, 2254179), (19, 830487), (21, 751393), (57, 276829), (71, 222243), (133, 118641), (213, 74081), (399, 39547), (497, 31749), (557, 28329), (1349, 11697), (1491, 10583), (1671, 9443), (3899, 4047)]