31421421

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{3467}}^1$

素因数の和:3545

約数の個数: 24

約数和(自身を含む): 48690720

約数和(自身を除く): 17269299

約数列:

[1, 3, 9, 19, 53, 57, 159, 171, 477, 1007, 3021, 3467, 9063, 10401, 31203, 65873, 183751, 197619, 551253, 592857, 1653759, 3491269, 10473807, 31421421]

約数ペア:

[(1, 31421421), (3, 10473807), (9, 3491269), (19, 1653759), (53, 592857), (57, 551253), (159, 197619), (171, 183751), (477, 65873), (1007, 31203), (3021, 10401), (3467, 9063)]