27891591

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 47784960

約数和(自身を除く): 19893369

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 169, 203, 271, 273, 377, 507, 609, 813, 1131, 1183, 1897, 2639, 3523, 3549, 4901, 5691, 7859, 7917, 10569, 14703, 23577, 24661, 34307, 45799, 55013, 73983, 102167, 102921, 137397, 165039, 306501, 320593, 715169, 961779, 1328171, 2145507, 3984513, 9297197, 27891591]

約数ペア:

[(1, 27891591), (3, 9297197), (7, 3984513), (13, 2145507), (21, 1328171), (29, 961779), (39, 715169), (87, 320593), (91, 306501), (169, 165039), (203, 137397), (271, 102921), (273, 102167), (377, 73983), (507, 55013), (609, 45799), (813, 34307), (1131, 24661), (1183, 23577), (1897, 14703), (2639, 10569), (3523, 7917), (3549, 7859), (4901, 5691)]