258214905

素因数分解:

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

素因数の和:6447

約数の個数: 64

約数和(自身を含む): 515934720

約数和(自身を除く): 257719815

約数列:

[1, 3, 5, 9, 13, 15, 23, 27, 39, 45, 65, 69, 115, 117, 135, 195, 207, 299, 345, 351, 585, 621, 897, 1035, 1495, 1755, 2691, 3105, 4485, 6397, 8073, 13455, 19191, 31985, 40365, 57573, 83161, 95955, 147131, 172719, 249483, 287865, 415805, 441393, 735655, 748449, 863595, 1247415, 1324179, 1912703, 2206965, 2245347, 3742245, 3972537, 5738109, 6620895, 9563515, 11226735, 17214327, 19862685, 28690545, 51642981, 86071635, 258214905]

約数ペア:

[(1, 258214905), (3, 86071635), (5, 51642981), (9, 28690545), (13, 19862685), (15, 17214327), (23, 11226735), (27, 9563515), (39, 6620895), (45, 5738109), (65, 3972537), (69, 3742245), (115, 2245347), (117, 2206965), (135, 1912703), (195, 1324179), (207, 1247415), (299, 863595), (345, 748449), (351, 735655), (585, 441393), (621, 415805), (897, 287865), (1035, 249483), (1495, 172719), (1755, 147131), (2691, 95955), (3105, 83161), (4485, 57573), (6397, 40365), (8073, 31985), (13455, 19191)]