108900900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{121001}}^1$

素因数の和:121021

約数の個数: 54

約数和(自身を含む): 341346642

約数和(自身を除く): 232445742

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 121001, 242002, 363003, 484004, 605005, 726006, 1089009, 1210010, 1452012, 1815015, 2178018, 2420020, 3025025, 3630030, 4356036, 5445045, 6050050, 7260060, 9075075, 10890090, 12100100, 18150150, 21780180, 27225225, 36300300, 54450450, 108900900]

約数ペア:

[(1, 108900900), (2, 54450450), (3, 36300300), (4, 27225225), (5, 21780180), (6, 18150150), (9, 12100100), (10, 10890090), (12, 9075075), (15, 7260060), (18, 6050050), (20, 5445045), (25, 4356036), (30, 3630030), (36, 3025025), (45, 2420020), (50, 2178018), (60, 1815015), (75, 1452012), (90, 1210010), (100, 1089009), (150, 726006), (180, 605005), (225, 484004), (300, 363003), (450, 242002), (900, 121001)]