518354883

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{521}}^1$

素因数の和:777

約数の個数: 40

約数和(自身を含む): 791293536

約数和(自身を除く): 272938653

約数列:

[1, 3, 9, 27, 71, 81, 173, 213, 519, 521, 639, 1557, 1563, 1917, 4671, 4689, 5751, 12283, 14013, 14067, 36849, 36991, 42201, 90133, 110547, 110973, 270399, 331641, 332919, 811197, 994923, 998757, 2433591, 2996271, 6399443, 7300773, 19198329, 57594987, 172784961, 518354883]

約数ペア:

[(1, 518354883), (3, 172784961), (9, 57594987), (27, 19198329), (71, 7300773), (81, 6399443), (173, 2996271), (213, 2433591), (519, 998757), (521, 994923), (639, 811197), (1557, 332919), (1563, 331641), (1917, 270399), (4671, 110973), (4689, 110547), (5751, 90133), (12283, 42201), (14013, 36991), (14067, 36849)]