81914115

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{3989}}^1$

素因数の和:4071

約数の個数: 24

約数和(自身を含む): 134734320

約数和(自身を除く): 52820205

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 1369, 3989, 4107, 6845, 11967, 19945, 20535, 59835, 147593, 442779, 737965, 2213895, 5460941, 16382823, 27304705, 81914115]

約数ペア:

[(1, 81914115), (3, 27304705), (5, 16382823), (15, 5460941), (37, 2213895), (111, 737965), (185, 442779), (555, 147593), (1369, 59835), (3989, 20535), (4107, 19945), (6845, 11967)]