30621955

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 47222784

約数和(自身を除く): 16600829

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 167, 169, 217, 403, 455, 835, 845, 1085, 1169, 1183, 2015, 2171, 2821, 5177, 5239, 5845, 5915, 10855, 14105, 15197, 25885, 26195, 28223, 36239, 36673, 67301, 75985, 141115, 181195, 183365, 197561, 336505, 471107, 874913, 987805, 2355535, 4374565, 6124391, 30621955]

約数ペア:

[(1, 30621955), (5, 6124391), (7, 4374565), (13, 2355535), (31, 987805), (35, 874913), (65, 471107), (91, 336505), (155, 197561), (167, 183365), (169, 181195), (217, 141115), (403, 75985), (455, 67301), (835, 36673), (845, 36239), (1085, 28223), (1169, 26195), (1183, 25885), (2015, 15197), (2171, 14105), (2821, 10855), (5177, 5915), (5239, 5845)]