31855518

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:343

約数の個数: 80

約数和(自身を含む): 77623920

約数和(自身を除く): 45768402

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 43, 51, 54, 81, 86, 102, 129, 153, 162, 258, 269, 306, 387, 459, 538, 731, 774, 807, 918, 1161, 1377, 1462, 1614, 2193, 2322, 2421, 2754, 3483, 4386, 4573, 4842, 6579, 6966, 7263, 9146, 11567, 13158, 13719, 14526, 19737, 21789, 23134, 27438, 34701, 39474, 41157, 43578, 59211, 69402, 82314, 104103, 118422, 123471, 196639, 208206, 246942, 312309, 370413, 393278, 589917, 624618, 740826, 936927, 1179834, 1769751, 1873854, 3539502, 5309253, 10618506, 15927759, 31855518]

約数ペア:

[(1, 31855518), (2, 15927759), (3, 10618506), (6, 5309253), (9, 3539502), (17, 1873854), (18, 1769751), (27, 1179834), (34, 936927), (43, 740826), (51, 624618), (54, 589917), (81, 393278), (86, 370413), (102, 312309), (129, 246942), (153, 208206), (162, 196639), (258, 123471), (269, 118422), (306, 104103), (387, 82314), (459, 69402), (538, 59211), (731, 43578), (774, 41157), (807, 39474), (918, 34701), (1161, 27438), (1377, 23134), (1462, 21789), (1614, 19737), (2193, 14526), (2322, 13719), (2421, 13158), (2754, 11567), (3483, 9146), (4386, 7263), (4573, 6966), (4842, 6579)]