1911987

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 3594240

約数和(自身を除く): 1682253

約数列:

[1, 3, 7, 9, 11, 21, 31, 33, 63, 77, 89, 93, 99, 217, 231, 267, 279, 341, 623, 651, 693, 801, 979, 1023, 1869, 1953, 2387, 2759, 2937, 3069, 5607, 6853, 7161, 8277, 8811, 19313, 20559, 21483, 24831, 30349, 57939, 61677, 91047, 173817, 212443, 273141, 637329, 1911987]

約数ペア:

[(1, 1911987), (3, 637329), (7, 273141), (9, 212443), (11, 173817), (21, 91047), (31, 61677), (33, 57939), (63, 30349), (77, 24831), (89, 21483), (93, 20559), (99, 19313), (217, 8811), (231, 8277), (267, 7161), (279, 6853), (341, 5607), (623, 3069), (651, 2937), (693, 2759), (801, 2387), (979, 1953), (1023, 1869)]