71237421

素因数分解:

$3^3\times {\mathrm{101}}^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:434

約数の個数: 32

約数和(自身を含む): 107907840

約数和(自身を除く): 36670419

約数列:

[1, 3, 9, 27, 101, 151, 173, 303, 453, 519, 909, 1359, 1557, 2727, 4077, 4671, 15251, 17473, 26123, 45753, 52419, 78369, 137259, 157257, 235107, 411777, 471771, 705321, 2638423, 7915269, 23745807, 71237421]

約数ペア:

[(1, 71237421), (3, 23745807), (9, 7915269), (27, 2638423), (101, 705321), (151, 471771), (173, 411777), (303, 235107), (453, 157257), (519, 137259), (909, 78369), (1359, 52419), (1557, 45753), (2727, 26123), (4077, 17473), (4671, 15251)]