31282119

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:159

約数の個数: 56

約数和(自身を含む): 52883712

約数和(自身を除く): 21601593

約数列:

[1, 3, 9, 11, 27, 33, 47, 81, 83, 99, 141, 243, 249, 297, 423, 517, 729, 747, 891, 913, 1269, 1551, 2241, 2673, 2739, 3807, 3901, 4653, 6723, 8019, 8217, 11421, 11703, 13959, 20169, 24651, 34263, 35109, 41877, 42911, 60507, 73953, 105327, 125631, 128733, 221859, 315981, 376893, 386199, 665577, 947943, 1158597, 2843829, 3475791, 10427373, 31282119]

約数ペア:

[(1, 31282119), (3, 10427373), (9, 3475791), (11, 2843829), (27, 1158597), (33, 947943), (47, 665577), (81, 386199), (83, 376893), (99, 315981), (141, 221859), (243, 128733), (249, 125631), (297, 105327), (423, 73953), (517, 60507), (729, 42911), (747, 41877), (891, 35109), (913, 34263), (1269, 24651), (1551, 20169), (2241, 13959), (2673, 11703), (2739, 11421), (3807, 8217), (3901, 8019), (4653, 6723)]