28409577

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{449}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 45619200

約数和(自身を除く): 17209623

約数列:

[1, 3, 7, 21, 23, 69, 131, 161, 393, 449, 483, 917, 1347, 2751, 3013, 3143, 9039, 9429, 10327, 21091, 30981, 58819, 63273, 72289, 176457, 216867, 411733, 1235199, 1352837, 4058511, 9469859, 28409577]

約数ペア:

[(1, 28409577), (3, 9469859), (7, 4058511), (21, 1352837), (23, 1235199), (69, 411733), (131, 216867), (161, 176457), (393, 72289), (449, 63273), (483, 58819), (917, 30981), (1347, 21091), (2751, 10327), (3013, 9429), (3143, 9039)]