68391561

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 113172480

約数和(自身を除く): 44780919

約数列:

[1, 3, 7, 17, 21, 51, 59, 119, 177, 191, 289, 357, 413, 573, 867, 1003, 1239, 1337, 2023, 3009, 3247, 4011, 6069, 7021, 9741, 11269, 17051, 21063, 22729, 33807, 51153, 55199, 68187, 78883, 119357, 165597, 191573, 236649, 358071, 386393, 574719, 1159179, 1341011, 3256741, 4023033, 9770223, 22797187, 68391561]

約数ペア:

[(1, 68391561), (3, 22797187), (7, 9770223), (17, 4023033), (21, 3256741), (51, 1341011), (59, 1159179), (119, 574719), (177, 386393), (191, 358071), (289, 236649), (357, 191573), (413, 165597), (573, 119357), (867, 78883), (1003, 68187), (1239, 55199), (1337, 51153), (2023, 33807), (3009, 22729), (3247, 21063), (4011, 17051), (6069, 11269), (7021, 9741)]