1970985

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 3421440

約数和(自身を除く): 1450455

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 115, 145, 197, 345, 435, 591, 667, 985, 2001, 2955, 3335, 4531, 5713, 10005, 13593, 17139, 22655, 28565, 67965, 85695, 131399, 394197, 656995, 1970985]

約数ペア:

[(1, 1970985), (3, 656995), (5, 394197), (15, 131399), (23, 85695), (29, 67965), (69, 28565), (87, 22655), (115, 17139), (145, 13593), (197, 10005), (345, 5713), (435, 4531), (591, 3335), (667, 2955), (985, 2001)]