28222089

素因数分解:

$3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{1699}}^1$

素因数の和:1829

約数の個数: 24

約数和(自身を含む): 44186400

約数和(自身を除く): 15964311

約数列:

[1, 3, 7, 21, 49, 113, 147, 339, 791, 1699, 2373, 5097, 5537, 11893, 16611, 35679, 83251, 191987, 249753, 575961, 1343909, 4031727, 9407363, 28222089]

約数ペア:

[(1, 28222089), (3, 9407363), (7, 4031727), (21, 1343909), (49, 575961), (113, 249753), (147, 191987), (339, 83251), (791, 35679), (1699, 16611), (2373, 11893), (5097, 5537)]