28673721

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1801}}^1$

素因数の和:1897

約数の個数: 24

約数和(自身を含む): 43572360

約数和(自身を除く): 14898639

約数列:

[1, 3, 9, 29, 61, 87, 183, 261, 549, 1769, 1801, 5307, 5403, 15921, 16209, 52229, 109861, 156687, 329583, 470061, 988749, 3185969, 9557907, 28673721]

約数ペア:

[(1, 28673721), (3, 9557907), (9, 3185969), (29, 988749), (61, 470061), (87, 329583), (183, 156687), (261, 109861), (549, 52229), (1769, 16209), (1801, 15921), (5307, 5403)]