28487403

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7933}}^1$

素因数の和:7968

約数の個数: 32

約数和(自身を含む): 50777600

約数和(自身を除く): 22290197

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 7933, 23799, 55531, 71397, 150727, 166593, 214191, 452181, 499779, 1055089, 1356543, 1499337, 3165267, 4069629, 9495801, 28487403]

約数ペア:

[(1, 28487403), (3, 9495801), (7, 4069629), (9, 3165267), (19, 1499337), (21, 1356543), (27, 1055089), (57, 499779), (63, 452181), (133, 214191), (171, 166593), (189, 150727), (399, 71397), (513, 55531), (1197, 23799), (3591, 7933)]