81561015

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{95393}}^1$

素因数の和:95423

約数の個数: 24

約数和(自身を含む): 148814640

約数和(自身を除く): 67253625

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 95393, 286179, 476965, 858537, 1430895, 1812467, 4292685, 5437401, 9062335, 16312203, 27187005, 81561015]

約数ペア:

[(1, 81561015), (3, 27187005), (5, 16312203), (9, 9062335), (15, 5437401), (19, 4292685), (45, 1812467), (57, 1430895), (95, 858537), (171, 476965), (285, 286179), (855, 95393)]