23220561

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{419}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 40219200

約数和(自身を除く): 16998639

約数列:

[1, 3, 7, 13, 21, 29, 39, 49, 87, 91, 147, 203, 273, 377, 419, 609, 637, 1131, 1257, 1421, 1911, 2639, 2933, 4263, 5447, 7917, 8799, 12151, 16341, 18473, 20531, 36453, 38129, 55419, 61593, 85057, 114387, 157963, 255171, 266903, 473889, 595399, 800709, 1105741, 1786197, 3317223, 7740187, 23220561]

約数ペア:

[(1, 23220561), (3, 7740187), (7, 3317223), (13, 1786197), (21, 1105741), (29, 800709), (39, 595399), (49, 473889), (87, 266903), (91, 255171), (147, 157963), (203, 114387), (273, 85057), (377, 61593), (419, 55419), (609, 38129), (637, 36453), (1131, 20531), (1257, 18473), (1421, 16341), (1911, 12151), (2639, 8799), (2933, 7917), (4263, 5447)]