15506945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 21012480

約数和(自身を除く): 5505535

約数列:

[1, 5, 19, 23, 47, 95, 115, 151, 235, 437, 755, 893, 1081, 2185, 2869, 3473, 4465, 5405, 7097, 14345, 17365, 20539, 35485, 65987, 102695, 134843, 163231, 329935, 674215, 816155, 3101389, 15506945]

約数ペア:

[(1, 15506945), (5, 3101389), (19, 816155), (23, 674215), (47, 329935), (95, 163231), (115, 134843), (151, 102695), (235, 65987), (437, 35485), (755, 20539), (893, 17365), (1081, 14345), (2185, 7097), (2869, 5405), (3473, 4465)]