30780225

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{19543}}^1$

素因数の和:19566

約数の個数: 36

約数和(自身を含む): 63009856

約数和(自身を除く): 32229631

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 1575, 19543, 58629, 97715, 136801, 175887, 293145, 410403, 488575, 684005, 879435, 1231209, 1465725, 2052015, 3420025, 4397175, 6156045, 10260075, 30780225]

約数ペア:

[(1, 30780225), (3, 10260075), (5, 6156045), (7, 4397175), (9, 3420025), (15, 2052015), (21, 1465725), (25, 1231209), (35, 879435), (45, 684005), (63, 488575), (75, 410403), (105, 293145), (175, 175887), (225, 136801), (315, 97715), (525, 58629), (1575, 19543)]