890334291

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1231}}^1$

素因数の和:1384

約数の個数: 64

約数和(自身を含む): 1544159232

約数和(自身を除く): 653824941

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 101, 217, 231, 303, 341, 651, 707, 1023, 1111, 1231, 2121, 2387, 3131, 3333, 3693, 7161, 7777, 8617, 9393, 13541, 21917, 23331, 25851, 34441, 38161, 40623, 65751, 94787, 103323, 114483, 124331, 241087, 267127, 284361, 372993, 419771, 723261, 801381, 870317, 1259313, 1367641, 2610951, 2938397, 3854261, 4102923, 8815191, 9573487, 11562783, 26979827, 28720461, 42396871, 80939481, 127190613, 296778097, 890334291]

約数ペア:

[(1, 890334291), (3, 296778097), (7, 127190613), (11, 80939481), (21, 42396871), (31, 28720461), (33, 26979827), (77, 11562783), (93, 9573487), (101, 8815191), (217, 4102923), (231, 3854261), (303, 2938397), (341, 2610951), (651, 1367641), (707, 1259313), (1023, 870317), (1111, 801381), (1231, 723261), (2121, 419771), (2387, 372993), (3131, 284361), (3333, 267127), (3693, 241087), (7161, 124331), (7777, 114483), (8617, 103323), (9393, 94787), (13541, 65751), (21917, 40623), (23331, 38161), (25851, 34441)]