7281018

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:483

約数の個数: 48

約数和(自身を含む): 16885440

約数和(自身を除く): 9604422

約数列:

[1, 2, 3, 6, 9, 18, 23, 43, 46, 69, 86, 129, 138, 207, 258, 387, 409, 414, 774, 818, 989, 1227, 1978, 2454, 2967, 3681, 5934, 7362, 8901, 9407, 17587, 17802, 18814, 28221, 35174, 52761, 56442, 84663, 105522, 158283, 169326, 316566, 404501, 809002, 1213503, 2427006, 3640509, 7281018]

約数ペア:

[(1, 7281018), (2, 3640509), (3, 2427006), (6, 1213503), (9, 809002), (18, 404501), (23, 316566), (43, 169326), (46, 158283), (69, 105522), (86, 84663), (129, 56442), (138, 52761), (207, 35174), (258, 28221), (387, 18814), (409, 17802), (414, 17587), (774, 9407), (818, 8901), (989, 7362), (1227, 5934), (1978, 3681), (2454, 2967)]