78961869

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 134184960

約数和(自身を除く): 55223091

約数列:

[1, 3, 7, 9, 21, 63, 71, 127, 139, 213, 381, 417, 497, 639, 889, 973, 1143, 1251, 1491, 2667, 2919, 4473, 8001, 8757, 9017, 9869, 17653, 27051, 29607, 52959, 63119, 69083, 81153, 88821, 123571, 158877, 189357, 207249, 370713, 568071, 621747, 1112139, 1253363, 3760089, 8773541, 11280267, 26320623, 78961869]

約数ペア:

[(1, 78961869), (3, 26320623), (7, 11280267), (9, 8773541), (21, 3760089), (63, 1253363), (71, 1112139), (127, 621747), (139, 568071), (213, 370713), (381, 207249), (417, 189357), (497, 158877), (639, 123571), (889, 88821), (973, 81153), (1143, 69083), (1251, 63119), (1491, 52959), (2667, 29607), (2919, 27051), (4473, 17653), (8001, 9869), (8757, 9017)]