71780655

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{5323}}^1$

素因数の和:5391

約数の個数: 32

約数和(自身を含む): 122664960

約数和(自身を除く): 50884305

約数列:

[1, 3, 5, 15, 29, 31, 87, 93, 145, 155, 435, 465, 899, 2697, 4495, 5323, 13485, 15969, 26615, 79845, 154367, 165013, 463101, 495039, 771835, 825065, 2315505, 2475195, 4785377, 14356131, 23926885, 71780655]

約数ペア:

[(1, 71780655), (3, 23926885), (5, 14356131), (15, 4785377), (29, 2475195), (31, 2315505), (87, 825065), (93, 771835), (145, 495039), (155, 463101), (435, 165013), (465, 154367), (899, 79845), (2697, 26615), (4495, 15969), (5323, 13485)]