1319653875

素因数分解:

$3^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{81839}}^1$

素因数の和:81900

約数の個数: 32

約数和(自身を含む): 2246999040

約数和(自身を除く): 927345165

約数列:

[1, 3, 5, 15, 25, 43, 75, 125, 129, 215, 375, 645, 1075, 3225, 5375, 16125, 81839, 245517, 409195, 1227585, 2045975, 3519077, 6137925, 10229875, 10557231, 17595385, 30689625, 52786155, 87976925, 263930775, 439884625, 1319653875]

約数ペア:

[(1, 1319653875), (3, 439884625), (5, 263930775), (15, 87976925), (25, 52786155), (43, 30689625), (75, 17595385), (125, 10557231), (129, 10229875), (215, 6137925), (375, 3519077), (645, 2045975), (1075, 1227585), (3225, 409195), (5375, 245517), (16125, 81839)]