138638835

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{461}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 248215968

約数和(自身を除く): 109577133

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 163, 205, 369, 461, 489, 615, 815, 1383, 1467, 1845, 2305, 2445, 4149, 6683, 6915, 7335, 18901, 20049, 20745, 33415, 56703, 60147, 75143, 94505, 100245, 170109, 225429, 283515, 300735, 375715, 676287, 850545, 1127145, 3080863, 3381435, 9242589, 15404315, 27727767, 46212945, 138638835]

約数ペア:

[(1, 138638835), (3, 46212945), (5, 27727767), (9, 15404315), (15, 9242589), (41, 3381435), (45, 3080863), (123, 1127145), (163, 850545), (205, 676287), (369, 375715), (461, 300735), (489, 283515), (615, 225429), (815, 170109), (1383, 100245), (1467, 94505), (1845, 75143), (2305, 60147), (2445, 56703), (4149, 33415), (6683, 20745), (6915, 20049), (7335, 18901)]