204392025

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{15937}}^1$

素因数の和:15975

約数の個数: 48

約数和(自身を含む): 395262400

約数和(自身を除く): 190870375

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 135, 171, 225, 285, 475, 513, 675, 855, 1425, 2565, 4275, 12825, 15937, 47811, 79685, 143433, 239055, 302803, 398425, 430299, 717165, 908409, 1195275, 1514015, 2151495, 2725227, 3585825, 4542045, 7570075, 8175681, 10757475, 13626135, 22710225, 40878405, 68130675, 204392025]

約数ペア:

[(1, 204392025), (3, 68130675), (5, 40878405), (9, 22710225), (15, 13626135), (19, 10757475), (25, 8175681), (27, 7570075), (45, 4542045), (57, 3585825), (75, 2725227), (95, 2151495), (135, 1514015), (171, 1195275), (225, 908409), (285, 717165), (475, 430299), (513, 398425), (675, 302803), (855, 239055), (1425, 143433), (2565, 79685), (4275, 47811), (12825, 15937)]