80389323

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{281}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 140774400

約数和(自身を除く): 60385077

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 239, 281, 399, 717, 843, 1197, 1673, 1967, 2151, 2529, 4541, 5019, 5339, 5901, 13623, 15057, 16017, 17703, 31787, 37373, 40869, 48051, 67159, 95361, 112119, 201477, 286083, 336357, 470113, 604431, 1276021, 1410339, 3828063, 4231017, 8932147, 11484189, 26796441, 80389323]

約数ペア:

[(1, 80389323), (3, 26796441), (7, 11484189), (9, 8932147), (19, 4231017), (21, 3828063), (57, 1410339), (63, 1276021), (133, 604431), (171, 470113), (239, 336357), (281, 286083), (399, 201477), (717, 112119), (843, 95361), (1197, 67159), (1673, 48051), (1967, 40869), (2151, 37373), (2529, 31787), (4541, 17703), (5019, 16017), (5339, 15057), (5901, 13623)]