28690545

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6397}}^1$

素因数の和:6441

約数の個数: 32

約数和(自身を含む): 51593472

約数和(自身を除く): 22902927

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4485, 6397, 19191, 31985, 83161, 95955, 147131, 249483, 415805, 441393, 735655, 1247415, 1912703, 2206965, 5738109, 9563515, 28690545]

約数ペア:

[(1, 28690545), (3, 9563515), (5, 5738109), (13, 2206965), (15, 1912703), (23, 1247415), (39, 735655), (65, 441393), (69, 415805), (115, 249483), (195, 147131), (299, 95955), (345, 83161), (897, 31985), (1495, 19191), (4485, 6397)]