1947156975

素因数分解:

$3^4\times 5^2\times {\mathrm{409}}^1\times {\mathrm{2351}}^1$

素因数の和:2782

約数の個数: 60

約数和(自身を含む): 3617164320

約数和(自身を除く): 1670007345

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 409, 675, 1227, 2025, 2045, 2351, 3681, 6135, 7053, 10225, 11043, 11755, 18405, 21159, 30675, 33129, 35265, 55215, 58775, 63477, 92025, 105795, 165645, 176325, 190431, 276075, 317385, 528975, 828225, 952155, 961559, 1586925, 2884677, 4760775, 4807795, 8654031, 14423385, 24038975, 25962093, 43270155, 72116925, 77886279, 129810465, 216350775, 389431395, 649052325, 1947156975]

約数ペア:

[(1, 1947156975), (3, 649052325), (5, 389431395), (9, 216350775), (15, 129810465), (25, 77886279), (27, 72116925), (45, 43270155), (75, 25962093), (81, 24038975), (135, 14423385), (225, 8654031), (405, 4807795), (409, 4760775), (675, 2884677), (1227, 1586925), (2025, 961559), (2045, 952155), (2351, 828225), (3681, 528975), (6135, 317385), (7053, 276075), (10225, 190431), (11043, 176325), (11755, 165645), (18405, 105795), (21159, 92025), (30675, 63477), (33129, 58775), (35265, 55215)]