38393889

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 55987200

約数和(自身を除く): 17593311

約数列:

[1, 3, 19, 53, 57, 71, 159, 179, 213, 537, 1007, 1349, 3021, 3401, 3763, 4047, 9487, 10203, 11289, 12709, 28461, 38127, 71497, 180253, 214491, 241471, 540759, 673577, 724413, 2020731, 12797963, 38393889]

約数ペア:

[(1, 38393889), (3, 12797963), (19, 2020731), (53, 724413), (57, 673577), (71, 540759), (159, 241471), (179, 214491), (213, 180253), (537, 71497), (1007, 38127), (1349, 28461), (3021, 12709), (3401, 11289), (3763, 10203), (4047, 9487)]