28023039

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 47683584

約数和(自身を除く): 19660545

約数列:

[1, 3, 9, 11, 23, 31, 33, 69, 93, 99, 207, 253, 279, 341, 397, 713, 759, 1023, 1191, 2139, 2277, 3069, 3573, 4367, 6417, 7843, 9131, 12307, 13101, 23529, 27393, 36921, 39303, 70587, 82179, 100441, 110763, 135377, 283061, 301323, 406131, 849183, 903969, 1218393, 2547549, 3113671, 9341013, 28023039]

約数ペア:

[(1, 28023039), (3, 9341013), (9, 3113671), (11, 2547549), (23, 1218393), (31, 903969), (33, 849183), (69, 406131), (93, 301323), (99, 283061), (207, 135377), (253, 110763), (279, 100441), (341, 82179), (397, 70587), (713, 39303), (759, 36921), (1023, 27393), (1191, 23529), (2139, 13101), (2277, 12307), (3069, 9131), (3573, 7843), (4367, 6417)]