260221437

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:483

約数の個数: 64

約数和(自身を含む): 459993600

約数和(自身を除く): 199772163

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 197, 203, 241, 261, 591, 609, 723, 783, 1379, 1687, 1773, 1827, 2169, 4137, 5061, 5319, 5481, 5713, 6507, 6989, 12411, 15183, 17139, 20967, 37233, 39991, 45549, 47477, 48923, 51417, 62901, 119973, 142431, 146769, 154251, 188703, 332339, 359919, 427293, 440307, 997017, 1079757, 1281879, 1320921, 1376833, 2991051, 4130499, 8973153, 9637831, 12391497, 28913493, 37174491, 86740479, 260221437]

約数ペア:

[(1, 260221437), (3, 86740479), (7, 37174491), (9, 28913493), (21, 12391497), (27, 9637831), (29, 8973153), (63, 4130499), (87, 2991051), (189, 1376833), (197, 1320921), (203, 1281879), (241, 1079757), (261, 997017), (591, 440307), (609, 427293), (723, 359919), (783, 332339), (1379, 188703), (1687, 154251), (1773, 146769), (1827, 142431), (2169, 119973), (4137, 62901), (5061, 51417), (5319, 48923), (5481, 47477), (5713, 45549), (6507, 39991), (6989, 37233), (12411, 20967), (15183, 17139)]