2158398

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{991}}^1$

素因数の和:1021

約数の個数: 36

約数和(自身を含む): 5145504

約数和(自身を除く): 2987106

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 991, 1089, 1982, 2178, 2973, 5946, 8919, 10901, 17838, 21802, 32703, 65406, 98109, 119911, 196218, 239822, 359733, 719466, 1079199, 2158398]

約数ペア:

[(1, 2158398), (2, 1079199), (3, 719466), (6, 359733), (9, 239822), (11, 196218), (18, 119911), (22, 98109), (33, 65406), (66, 32703), (99, 21802), (121, 17838), (198, 10901), (242, 8919), (363, 5946), (726, 2973), (991, 2178), (1089, 1982)]