31491645

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2351}}^1$

素因数の和:2425

約数の個数: 32

約数和(自身を含む): 54190080

約数和(自身を除く): 22698435

約数列:

[1, 3, 5, 15, 19, 47, 57, 95, 141, 235, 285, 705, 893, 2351, 2679, 4465, 7053, 11755, 13395, 35265, 44669, 110497, 134007, 223345, 331491, 552485, 670035, 1657455, 2099443, 6298329, 10497215, 31491645]

約数ペア:

[(1, 31491645), (3, 10497215), (5, 6298329), (15, 2099443), (19, 1657455), (47, 670035), (57, 552485), (95, 331491), (141, 223345), (235, 134007), (285, 110497), (705, 44669), (893, 35265), (2351, 13395), (2679, 11755), (4465, 7053)]