81089118

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1201}}^1$

素因数の和:1262

約数の個数: 72

約数和(自身を含む): 199512768

約数和(自身を除く): 118423650

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 31, 33, 62, 66, 93, 99, 121, 186, 198, 242, 279, 341, 363, 558, 682, 726, 1023, 1089, 1201, 2046, 2178, 2402, 3069, 3603, 3751, 6138, 7206, 7502, 10809, 11253, 13211, 21618, 22506, 26422, 33759, 37231, 39633, 67518, 74462, 79266, 111693, 118899, 145321, 223386, 237798, 290642, 335079, 409541, 435963, 670158, 819082, 871926, 1228623, 1307889, 2457246, 2615778, 3685869, 4504951, 7371738, 9009902, 13514853, 27029706, 40544559, 81089118]

約数ペア:

[(1, 81089118), (2, 40544559), (3, 27029706), (6, 13514853), (9, 9009902), (11, 7371738), (18, 4504951), (22, 3685869), (31, 2615778), (33, 2457246), (62, 1307889), (66, 1228623), (93, 871926), (99, 819082), (121, 670158), (186, 435963), (198, 409541), (242, 335079), (279, 290642), (341, 237798), (363, 223386), (558, 145321), (682, 118899), (726, 111693), (1023, 79266), (1089, 74462), (1201, 67518), (2046, 39633), (2178, 37231), (2402, 33759), (3069, 26422), (3603, 22506), (3751, 21618), (6138, 13211), (7206, 11253), (7502, 10809)]