172743225

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{419}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 299980800

約数和(自身を除く): 127237575

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 239, 345, 419, 575, 717, 1195, 1257, 1725, 2095, 3585, 5497, 5975, 6285, 9637, 10475, 16491, 17925, 27485, 28911, 31425, 48185, 82455, 100141, 137425, 144555, 240925, 300423, 412275, 500705, 722775, 1502115, 2303243, 2503525, 6909729, 7510575, 11516215, 34548645, 57581075, 172743225]

約数ペア:

[(1, 172743225), (3, 57581075), (5, 34548645), (15, 11516215), (23, 7510575), (25, 6909729), (69, 2503525), (75, 2303243), (115, 1502115), (239, 722775), (345, 500705), (419, 412275), (575, 300423), (717, 240925), (1195, 144555), (1257, 137425), (1725, 100141), (2095, 82455), (3585, 48185), (5497, 31425), (5975, 28911), (6285, 27485), (9637, 17925), (10475, 16491)]