140981145

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 239426880

約数和(自身を除く): 98445735

約数列:

[1, 3, 5, 15, 23, 69, 109, 115, 163, 327, 345, 489, 529, 545, 815, 1587, 1635, 2445, 2507, 2645, 3749, 7521, 7935, 11247, 12535, 17767, 18745, 37605, 53301, 56235, 57661, 86227, 88835, 172983, 258681, 266505, 288305, 408641, 431135, 864915, 1225923, 1293405, 2043205, 6129615, 9398743, 28196229, 46993715, 140981145]

約数ペア:

[(1, 140981145), (3, 46993715), (5, 28196229), (15, 9398743), (23, 6129615), (69, 2043205), (109, 1293405), (115, 1225923), (163, 864915), (327, 431135), (345, 408641), (489, 288305), (529, 266505), (545, 258681), (815, 172983), (1587, 88835), (1635, 86227), (2445, 57661), (2507, 56235), (2645, 53301), (3749, 37605), (7521, 18745), (7935, 17767), (11247, 12535)]