28681773

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 41842560

約数和(自身を除く): 13160787

約数列:

[1, 3, 19, 57, 61, 73, 113, 183, 219, 339, 1159, 1387, 2147, 3477, 4161, 4453, 6441, 6893, 8249, 13359, 20679, 24747, 84607, 130967, 156731, 253821, 392901, 470193, 503189, 1509567, 9560591, 28681773]

約数ペア:

[(1, 28681773), (3, 9560591), (19, 1509567), (57, 503189), (61, 470193), (73, 392901), (113, 253821), (183, 156731), (219, 130967), (339, 84607), (1159, 24747), (1387, 20679), (2147, 13359), (3477, 8249), (4161, 6893), (4453, 6441)]