990343683

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^2$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 1748707584

約数和(自身を除く): 758363901

約数列:

[1, 3, 7, 9, 21, 23, 63, 67, 69, 101, 161, 201, 207, 303, 469, 483, 603, 707, 909, 1407, 1449, 1541, 2121, 2323, 4221, 4623, 6363, 6767, 6969, 10201, 10787, 13869, 16261, 20301, 20907, 30603, 32361, 47369, 48783, 60903, 71407, 91809, 97083, 142107, 146349, 155641, 214221, 234623, 426321, 466923, 642663, 683467, 703869, 1089487, 1400769, 1642361, 2050401, 2111607, 3268461, 4784269, 4927083, 6151203, 9805383, 14352807, 14781249, 15719741, 43058421, 47159223, 110038187, 141477669, 330114561, 990343683]

約数ペア:

[(1, 990343683), (3, 330114561), (7, 141477669), (9, 110038187), (21, 47159223), (23, 43058421), (63, 15719741), (67, 14781249), (69, 14352807), (101, 9805383), (161, 6151203), (201, 4927083), (207, 4784269), (303, 3268461), (469, 2111607), (483, 2050401), (603, 1642361), (707, 1400769), (909, 1089487), (1407, 703869), (1449, 683467), (1541, 642663), (2121, 466923), (2323, 426321), (4221, 234623), (4623, 214221), (6363, 155641), (6767, 146349), (6969, 142107), (10201, 97083), (10787, 91809), (13869, 71407), (16261, 60903), (20301, 48783), (20907, 47369), (30603, 32361)]