217310499

素因数分解:

$3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{12919}}^1$

素因数の和:13024

約数の個数: 32

約数和(自身を含む): 372096000

約数和(自身を除く): 154785501

約数列:

[1, 3, 7, 9, 21, 27, 63, 89, 189, 267, 623, 801, 1869, 2403, 5607, 12919, 16821, 38757, 90433, 116271, 271299, 348813, 813897, 1149791, 2441691, 3449373, 8048537, 10348119, 24145611, 31044357, 72436833, 217310499]

約数ペア:

[(1, 217310499), (3, 72436833), (7, 31044357), (9, 24145611), (21, 10348119), (27, 8048537), (63, 3449373), (89, 2441691), (189, 1149791), (267, 813897), (623, 348813), (801, 271299), (1869, 116271), (2403, 90433), (5607, 38757), (12919, 16821)]