261258477

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{353}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 371105280

約数和(自身を除く): 109846803

約数列:

[1, 3, 29, 47, 87, 141, 181, 353, 543, 1059, 1363, 4089, 5249, 8507, 10237, 15747, 16591, 25521, 30711, 49773, 63893, 191679, 246703, 481139, 740109, 1443417, 1852897, 3002971, 5558691, 9008913, 87086159, 261258477]

約数ペア:

[(1, 261258477), (3, 87086159), (29, 9008913), (47, 5558691), (87, 3002971), (141, 1852897), (181, 1443417), (353, 740109), (543, 481139), (1059, 246703), (1363, 191679), (4089, 63893), (5249, 49773), (8507, 30711), (10237, 25521), (15747, 16591)]