21875231835

素因数分解:

$3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{997}}^1\times {\mathrm{3229}}^1$

素因数の和:4388

約数の個数: 48

約数和(自身を含む): 38218290240

約数和(自身を除く): 16343058405

約数列:

[1, 3, 5, 9, 15, 45, 151, 453, 755, 997, 1359, 2265, 2991, 3229, 4985, 6795, 8973, 9687, 14955, 16145, 29061, 44865, 48435, 145305, 150547, 451641, 487579, 752735, 1354923, 1462737, 2258205, 2437895, 3219313, 4388211, 6774615, 7313685, 9657939, 16096565, 21941055, 28973817, 48289695, 144869085, 486116263, 1458348789, 2430581315, 4375046367, 7291743945, 21875231835]

約数ペア:

[(1, 21875231835), (3, 7291743945), (5, 4375046367), (9, 2430581315), (15, 1458348789), (45, 486116263), (151, 144869085), (453, 48289695), (755, 28973817), (997, 21941055), (1359, 16096565), (2265, 9657939), (2991, 7313685), (3229, 6774615), (4985, 4388211), (6795, 3219313), (8973, 2437895), (9687, 2258205), (14955, 1462737), (16145, 1354923), (29061, 752735), (44865, 487579), (48435, 451641), (145305, 150547)]