18222975

素因数分解:

$3^4\times 5^2\times {\mathrm{8999}}^1$

素因数の和:9021

約数の個数: 30

約数和(自身を含む): 33759000

約数和(自身を除く): 15536025

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 8999, 26997, 44995, 80991, 134985, 224975, 242973, 404955, 674925, 728919, 1214865, 2024775, 3644595, 6074325, 18222975]

約数ペア:

[(1, 18222975), (3, 6074325), (5, 3644595), (9, 2024775), (15, 1214865), (25, 728919), (27, 674925), (45, 404955), (75, 242973), (81, 224975), (135, 134985), (225, 80991), (405, 44995), (675, 26997), (2025, 8999)]