31397025

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2003}}^1$

素因数の和:2046

約数の個数: 48

約数和(自身を含む): 59639040

約数和(自身を除く): 28242015

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 165, 209, 275, 285, 475, 627, 825, 1045, 1425, 2003, 3135, 5225, 6009, 10015, 15675, 22033, 30045, 38057, 50075, 66099, 110165, 114171, 150225, 190285, 330495, 418627, 550825, 570855, 951425, 1255881, 1652475, 2093135, 2854275, 6279405, 10465675, 31397025]

約数ペア:

[(1, 31397025), (3, 10465675), (5, 6279405), (11, 2854275), (15, 2093135), (19, 1652475), (25, 1255881), (33, 951425), (55, 570855), (57, 550825), (75, 418627), (95, 330495), (165, 190285), (209, 150225), (275, 114171), (285, 110165), (475, 66099), (627, 50075), (825, 38057), (1045, 30045), (1425, 22033), (2003, 15675), (3135, 10015), (5225, 6009)]