22781025

素因数分解:

$3^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{983}}^1$

素因数の和:1102

約数の個数: 36

約数和(自身を含む): 41241408

約数和(自身を除く): 18460383

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 103, 225, 309, 515, 927, 983, 1545, 2575, 2949, 4635, 4915, 7725, 8847, 14745, 23175, 24575, 44235, 73725, 101249, 221175, 303747, 506245, 911241, 1518735, 2531225, 4556205, 7593675, 22781025]

約数ペア:

[(1, 22781025), (3, 7593675), (5, 4556205), (9, 2531225), (15, 1518735), (25, 911241), (45, 506245), (75, 303747), (103, 221175), (225, 101249), (309, 73725), (515, 44235), (927, 24575), (983, 23175), (1545, 14745), (2575, 8847), (2949, 7725), (4635, 4915)]