201890025

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{30941}}^1$

素因数の和:30986

約数の個数: 36

約数和(自身を含む): 374088780

約数和(自身を除く): 172198755

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 225, 261, 435, 725, 1305, 2175, 6525, 30941, 92823, 154705, 278469, 464115, 773525, 897289, 1392345, 2320575, 2691867, 4486445, 6961725, 8075601, 13459335, 22432225, 40378005, 67296675, 201890025]

約数ペア:

[(1, 201890025), (3, 67296675), (5, 40378005), (9, 22432225), (15, 13459335), (25, 8075601), (29, 6961725), (45, 4486445), (75, 2691867), (87, 2320575), (145, 1392345), (225, 897289), (261, 773525), (435, 464115), (725, 278469), (1305, 154705), (2175, 92823), (6525, 30941)]