77408289

素因数分解:

$3^2\times 7^2\times {\mathrm{191}}^1\times {\mathrm{919}}^1$

素因数の和:1130

約数の個数: 36

約数和(自身を含む): 130890240

約数和(自身を除く): 53481951

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 191, 441, 573, 919, 1337, 1719, 2757, 4011, 6433, 8271, 9359, 12033, 19299, 28077, 45031, 57897, 84231, 135093, 175529, 405279, 526587, 1228703, 1579761, 3686109, 8600921, 11058327, 25802763, 77408289]

約数ペア:

[(1, 77408289), (3, 25802763), (7, 11058327), (9, 8600921), (21, 3686109), (49, 1579761), (63, 1228703), (147, 526587), (191, 405279), (441, 175529), (573, 135093), (919, 84231), (1337, 57897), (1719, 45031), (2757, 28077), (4011, 19299), (6433, 12033), (8271, 9359)]