642889905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{509}}^1\times {\mathrm{523}}^1$

素因数の和:1070

約数の個数: 64

約数和(自身を含む): 1231441920

約数和(自身を除く): 588552015

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 509, 523, 805, 1527, 1569, 2415, 2545, 2615, 3563, 3661, 7635, 7845, 10689, 10983, 11707, 12029, 17815, 18305, 35121, 36087, 53445, 54915, 58535, 60145, 81949, 84203, 175605, 180435, 245847, 252609, 266207, 409745, 421015, 798621, 1229235, 1263045, 1331035, 1863449, 3993105, 5590347, 6122761, 9317245, 18368283, 27951735, 30613805, 42859327, 91841415, 128577981, 214296635, 642889905]

約数ペア:

[(1, 642889905), (3, 214296635), (5, 128577981), (7, 91841415), (15, 42859327), (21, 30613805), (23, 27951735), (35, 18368283), (69, 9317245), (105, 6122761), (115, 5590347), (161, 3993105), (345, 1863449), (483, 1331035), (509, 1263045), (523, 1229235), (805, 798621), (1527, 421015), (1569, 409745), (2415, 266207), (2545, 252609), (2615, 245847), (3563, 180435), (3661, 175605), (7635, 84203), (7845, 81949), (10689, 60145), (10983, 58535), (11707, 54915), (12029, 53445), (17815, 36087), (18305, 35121)]