72130257

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{13291}}^1$

素因数の和:13370

約数の個数: 20

約数和(自身を含む): 109366576

約数和(自身を除く): 37236319

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 13291, 39873, 119619, 358857, 890497, 1076571, 2671491, 8014473, 24043419, 72130257]

約数ペア:

[(1, 72130257), (3, 24043419), (9, 8014473), (27, 2671491), (67, 1076571), (81, 890497), (201, 358857), (603, 119619), (1809, 39873), (5427, 13291)]