345485721

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:515

約数の個数: 64

約数和(自身を含む): 580608000

約数和(自身を除く): 235122279

約数列:

[1, 3, 7, 19, 21, 41, 49, 57, 123, 133, 147, 287, 343, 399, 431, 779, 861, 931, 1029, 1293, 2009, 2337, 2793, 3017, 5453, 6027, 6517, 8189, 9051, 14063, 16359, 17671, 19551, 21119, 24567, 38171, 42189, 53013, 57323, 63357, 114513, 123697, 147833, 171969, 267197, 335749, 371091, 401261, 443499, 801591, 865879, 1007247, 1203783, 2350243, 2597637, 2808827, 6061153, 7050729, 8426481, 16451701, 18183459, 49355103, 115161907, 345485721]

約数ペア:

[(1, 345485721), (3, 115161907), (7, 49355103), (19, 18183459), (21, 16451701), (41, 8426481), (49, 7050729), (57, 6061153), (123, 2808827), (133, 2597637), (147, 2350243), (287, 1203783), (343, 1007247), (399, 865879), (431, 801591), (779, 443499), (861, 401261), (931, 371091), (1029, 335749), (1293, 267197), (2009, 171969), (2337, 147833), (2793, 123697), (3017, 114513), (5453, 63357), (6027, 57323), (6517, 53013), (8189, 42189), (9051, 38171), (14063, 24567), (16359, 21119), (17671, 19551)]