128302587

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{119797}}^1$

素因数の和:119827

約数の個数: 24

約数和(自身を含む): 224261856

約数和(自身を除く): 95959269

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 119797, 359391, 838579, 1078173, 2036549, 2515737, 6109647, 7547211, 14255843, 18328941, 42767529, 128302587]

約数ペア:

[(1, 128302587), (3, 42767529), (7, 18328941), (9, 14255843), (17, 7547211), (21, 6109647), (51, 2515737), (63, 2036549), (119, 1078173), (153, 838579), (357, 359391), (1071, 119797)]