2018210805

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{80231}}^1$

素因数の和:80298

約数の個数: 48

約数和(自身を含む): 3854987136

約数和(自身を除く): 1836776331

約数列:

[1, 3, 5, 9, 13, 15, 39, 43, 45, 65, 117, 129, 195, 215, 387, 559, 585, 645, 1677, 1935, 2795, 5031, 8385, 25155, 80231, 240693, 401155, 722079, 1043003, 1203465, 3129009, 3449933, 3610395, 5215015, 9387027, 10349799, 15645045, 17249665, 31049397, 44849129, 46935135, 51748995, 134547387, 155246985, 224245645, 403642161, 672736935, 2018210805]

約数ペア:

[(1, 2018210805), (3, 672736935), (5, 403642161), (9, 224245645), (13, 155246985), (15, 134547387), (39, 51748995), (43, 46935135), (45, 44849129), (65, 31049397), (117, 17249665), (129, 15645045), (195, 10349799), (215, 9387027), (387, 5215015), (559, 3610395), (585, 3449933), (645, 3129009), (1677, 1203465), (1935, 1043003), (2795, 722079), (5031, 401155), (8385, 240693), (25155, 80231)]