205767842721

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{80341}}^1$

素因数の和:80515

約数の個数: 64

約数和(自身を含む): 339364608000

約数和(自身を除く): 133596765279

約数列:

[1, 3, 7, 19, 21, 49, 57, 131, 133, 147, 343, 393, 399, 917, 931, 1029, 2489, 2751, 2793, 6419, 6517, 7467, 17423, 19257, 19551, 44933, 52269, 80341, 121961, 134799, 241023, 365883, 562387, 853727, 1526479, 1687161, 2561181, 3936709, 4579437, 10524671, 10685353, 11810127, 27556963, 31574013, 32056059, 73672697, 74797471, 82670889, 199968749, 221018091, 224392413, 515708879, 523582297, 599906247, 1399781243, 1547126637, 1570746891, 3609962153, 4199343729, 9798468701, 10829886459, 29395406103, 68589280907, 205767842721]

約数ペア:

[(1, 205767842721), (3, 68589280907), (7, 29395406103), (19, 10829886459), (21, 9798468701), (49, 4199343729), (57, 3609962153), (131, 1570746891), (133, 1547126637), (147, 1399781243), (343, 599906247), (393, 523582297), (399, 515708879), (917, 224392413), (931, 221018091), (1029, 199968749), (2489, 82670889), (2751, 74797471), (2793, 73672697), (6419, 32056059), (6517, 31574013), (7467, 27556963), (17423, 11810127), (19257, 10685353), (19551, 10524671), (44933, 4579437), (52269, 3936709), (80341, 2561181), (121961, 1687161), (134799, 1526479), (241023, 853727), (365883, 562387)]