128013561

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 216599040

約数和(自身を除く): 88585479

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 101, 117, 157, 207, 299, 303, 351, 471, 621, 897, 909, 1313, 1413, 2041, 2323, 2691, 2727, 3611, 3939, 4239, 6123, 6969, 8073, 10833, 11817, 15857, 18369, 20907, 30199, 32499, 35451, 46943, 47571, 55107, 62721, 90597, 97497, 140829, 142713, 206141, 271791, 364711, 422487, 428139, 618423, 815373, 1094133, 1267461, 1855269, 3282399, 4741243, 5565807, 9847197, 14223729, 42671187, 128013561]

約数ペア:

[(1, 128013561), (3, 42671187), (9, 14223729), (13, 9847197), (23, 5565807), (27, 4741243), (39, 3282399), (69, 1855269), (101, 1267461), (117, 1094133), (157, 815373), (207, 618423), (299, 428139), (303, 422487), (351, 364711), (471, 271791), (621, 206141), (897, 142713), (909, 140829), (1313, 97497), (1413, 90597), (2041, 62721), (2323, 55107), (2691, 47571), (2727, 46943), (3611, 35451), (3939, 32499), (4239, 30199), (6123, 20907), (6969, 18369), (8073, 15857), (10833, 11817)]