172531191

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{2389}}^1$

素因数の和:2599

約数の個数: 32

約数和(自身を含む): 278387200

約数和(自身を除く): 105856009

約数列:

[1, 3, 7, 19, 21, 57, 133, 181, 399, 543, 1267, 2389, 3439, 3801, 7167, 10317, 16723, 24073, 45391, 50169, 72219, 136173, 317737, 432409, 953211, 1297227, 3026863, 8215771, 9080589, 24647313, 57510397, 172531191]

約数ペア:

[(1, 172531191), (3, 57510397), (7, 24647313), (19, 9080589), (21, 8215771), (57, 3026863), (133, 1297227), (181, 953211), (399, 432409), (543, 317737), (1267, 136173), (2389, 72219), (3439, 50169), (3801, 45391), (7167, 24073), (10317, 16723)]