2145507345

素因数分解:

$3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{143177}}^1$

素因数の和:143231

約数の個数: 40

約数和(自身を含む): 3949994664

約数和(自身を除く): 1804487319

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 81, 111, 135, 185, 333, 405, 555, 999, 1665, 2997, 4995, 14985, 143177, 429531, 715885, 1288593, 2147655, 3865779, 5297549, 6442965, 11597337, 15892647, 19328895, 26487745, 47677941, 57986685, 79463235, 143033823, 238389705, 429101469, 715169115, 2145507345]

約数ペア:

[(1, 2145507345), (3, 715169115), (5, 429101469), (9, 238389705), (15, 143033823), (27, 79463235), (37, 57986685), (45, 47677941), (81, 26487745), (111, 19328895), (135, 15892647), (185, 11597337), (333, 6442965), (405, 5297549), (555, 3865779), (999, 2147655), (1665, 1288593), (2997, 715885), (4995, 429531), (14985, 143177)]