28428897

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{829}}^1$

素因数の和:933

約数の個数: 32

約数和(自身を含む): 45895680

約数和(自身を除く): 17466783

約数列:

[1, 3, 7, 21, 23, 69, 71, 161, 213, 483, 497, 829, 1491, 1633, 2487, 4899, 5803, 11431, 17409, 19067, 34293, 57201, 58859, 133469, 176577, 400407, 412013, 1236039, 1353757, 4061271, 9476299, 28428897]

約数ペア:

[(1, 28428897), (3, 9476299), (7, 4061271), (21, 1353757), (23, 1236039), (69, 412013), (71, 400407), (161, 176577), (213, 133469), (483, 58859), (497, 57201), (829, 34293), (1491, 19067), (1633, 17409), (2487, 11431), (4899, 5803)]