1640648745

素因数分解:

$3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{159209}}^1$

素因数の和:159449

約数の個数: 24

約数和(自身を含む): 2856227400

約数和(自身を除く): 1215578655

約数列:

[1, 3, 5, 9, 15, 45, 229, 687, 1145, 2061, 3435, 10305, 159209, 477627, 796045, 1432881, 2388135, 7164405, 36458861, 109376583, 182294305, 328129749, 546882915, 1640648745]

約数ペア:

[(1, 1640648745), (3, 546882915), (5, 328129749), (9, 182294305), (15, 109376583), (45, 36458861), (229, 7164405), (687, 2388135), (1145, 1432881), (2061, 796045), (3435, 477627), (10305, 159209)]