813990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 2002176

約数和(自身を除く): 1188186

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 631, 645, 1262, 1290, 1893, 3155, 3786, 6310, 9465, 18930, 27133, 54266, 81399, 135665, 162798, 271330, 406995, 813990]

約数ペア:

[(1, 813990), (2, 406995), (3, 271330), (5, 162798), (6, 135665), (10, 81399), (15, 54266), (30, 27133), (43, 18930), (86, 9465), (129, 6310), (215, 3786), (258, 3155), (430, 1893), (631, 1290), (645, 1262)]