13831251

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 23341824

約数和(自身を除く): 9510573

約数列:

[1, 3, 7, 17, 21, 43, 51, 53, 119, 129, 159, 289, 301, 357, 371, 731, 867, 901, 903, 1113, 2023, 2193, 2279, 2703, 5117, 6069, 6307, 6837, 12427, 15317, 15351, 15953, 18921, 37281, 38743, 45951, 47859, 86989, 107219, 116229, 260967, 271201, 321657, 658631, 813603, 1975893, 4610417, 13831251]

約数ペア:

[(1, 13831251), (3, 4610417), (7, 1975893), (17, 813603), (21, 658631), (43, 321657), (51, 271201), (53, 260967), (119, 116229), (129, 107219), (159, 86989), (289, 47859), (301, 45951), (357, 38743), (371, 37281), (731, 18921), (867, 15953), (901, 15351), (903, 15317), (1113, 12427), (2023, 6837), (2193, 6307), (2279, 6069), (2703, 5117)]