16640799

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 26763264

約数和(自身を除く): 10122465

約数列:

[1, 3, 7, 21, 23, 69, 131, 161, 263, 393, 483, 789, 917, 1841, 2751, 3013, 5523, 6049, 9039, 18147, 21091, 34453, 42343, 63273, 103359, 127029, 241171, 723513, 792419, 2377257, 5546933, 16640799]

約数ペア:

[(1, 16640799), (3, 5546933), (7, 2377257), (21, 792419), (23, 723513), (69, 241171), (131, 127029), (161, 103359), (263, 63273), (393, 42343), (483, 34453), (789, 21091), (917, 18147), (1841, 9039), (2751, 6049), (3013, 5523)]