211375917

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{1723}}^1$

素因数の和:2089

約数の個数: 24

約数和(自身を含む): 313588704

約数和(自身を除く): 102212787

約数列:

[1, 3, 9, 43, 129, 317, 387, 951, 1723, 2853, 5169, 13631, 15507, 40893, 74089, 122679, 222267, 546191, 666801, 1638573, 4915719, 23486213, 70458639, 211375917]

約数ペア:

[(1, 211375917), (3, 70458639), (9, 23486213), (43, 4915719), (129, 1638573), (317, 666801), (387, 546191), (951, 222267), (1723, 122679), (2853, 74089), (5169, 40893), (13631, 15507)]