221301003

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{136859}}^1$

素因数の和:136887

約数の個数: 24

約数和(自身を含む): 374448960

約数和(自身を除く): 153147957

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 136859, 410577, 958013, 1505449, 2874039, 4516347, 6706091, 10538143, 20118273, 31614429, 73767001, 221301003]

約数ペア:

[(1, 221301003), (3, 73767001), (7, 31614429), (11, 20118273), (21, 10538143), (33, 6706091), (49, 4516347), (77, 2874039), (147, 1505449), (231, 958013), (539, 410577), (1617, 136859)]