66642195

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{421}}^1$

素因数の和:663

約数の個数: 32

約数和(自身を含む): 109260864

約数和(自身を除く): 42618669

約数列:

[1, 3, 5, 15, 61, 173, 183, 305, 421, 519, 865, 915, 1263, 2105, 2595, 6315, 10553, 25681, 31659, 52765, 72833, 77043, 128405, 158295, 218499, 364165, 385215, 1092495, 4442813, 13328439, 22214065, 66642195]

約数ペア:

[(1, 66642195), (3, 22214065), (5, 13328439), (15, 4442813), (61, 1092495), (173, 385215), (183, 364165), (305, 218499), (421, 158295), (519, 128405), (865, 77043), (915, 72833), (1263, 52765), (2105, 31659), (2595, 25681), (6315, 10553)]