81269730

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{100333}}^1$

素因数の和:100352

約数の個数: 40

約数和(自身を含む): 218527452

約数和(自身を除く): 137257722

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 100333, 200666, 300999, 501665, 601998, 902997, 1003330, 1504995, 1805994, 2708991, 3009990, 4514985, 5417982, 8126973, 9029970, 13544955, 16253946, 27089910, 40634865, 81269730]

約数ペア:

[(1, 81269730), (2, 40634865), (3, 27089910), (5, 16253946), (6, 13544955), (9, 9029970), (10, 8126973), (15, 5417982), (18, 4514985), (27, 3009990), (30, 2708991), (45, 1805994), (54, 1504995), (81, 1003330), (90, 902997), (135, 601998), (162, 501665), (270, 300999), (405, 200666), (810, 100333)]