40721085

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 75216960

約数和(自身を除く): 34495875

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 97, 171, 285, 291, 485, 491, 855, 873, 1455, 1473, 1843, 2455, 4365, 4419, 5529, 7365, 9215, 9329, 16587, 22095, 27645, 27987, 46645, 47627, 82935, 83961, 139935, 142881, 238135, 419805, 428643, 714405, 904913, 2143215, 2714739, 4524565, 8144217, 13573695, 40721085]

約数ペア:

[(1, 40721085), (3, 13573695), (5, 8144217), (9, 4524565), (15, 2714739), (19, 2143215), (45, 904913), (57, 714405), (95, 428643), (97, 419805), (171, 238135), (285, 142881), (291, 139935), (485, 83961), (491, 82935), (855, 47627), (873, 46645), (1455, 27987), (1473, 27645), (1843, 22095), (2455, 16587), (4365, 9329), (4419, 9215), (5529, 7365)]