138961011

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{881}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 229249440

約数和(自身を除く): 90288429

約数列:

[1, 3, 7, 21, 29, 37, 49, 87, 111, 147, 203, 259, 609, 777, 881, 1073, 1421, 1813, 2643, 3219, 4263, 5439, 6167, 7511, 18501, 22533, 25549, 32597, 43169, 52577, 76647, 97791, 129507, 157731, 178843, 228179, 536529, 684537, 945313, 1251901, 1597253, 2835939, 3755703, 4791759, 6617191, 19851573, 46320337, 138961011]

約数ペア:

[(1, 138961011), (3, 46320337), (7, 19851573), (21, 6617191), (29, 4791759), (37, 3755703), (49, 2835939), (87, 1597253), (111, 1251901), (147, 945313), (203, 684537), (259, 536529), (609, 228179), (777, 178843), (881, 157731), (1073, 129507), (1421, 97791), (1813, 76647), (2643, 52577), (3219, 43169), (4263, 32597), (5439, 25549), (6167, 22533), (7511, 18501)]