15222249

素因数分解:

$3^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:201

約数の個数: 56

約数和(自身を含む): 27631040

約数和(自身を除く): 12408791

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 157, 171, 189, 243, 399, 471, 513, 567, 729, 1099, 1197, 1413, 1539, 1701, 2983, 3297, 3591, 4239, 4617, 5103, 8949, 9891, 10773, 12717, 13851, 20881, 26847, 29673, 32319, 38151, 62643, 80541, 89019, 96957, 114453, 187929, 241623, 267057, 563787, 724869, 801171, 1691361, 2174607, 5074083, 15222249]

約数ペア:

[(1, 15222249), (3, 5074083), (7, 2174607), (9, 1691361), (19, 801171), (21, 724869), (27, 563787), (57, 267057), (63, 241623), (81, 187929), (133, 114453), (157, 96957), (171, 89019), (189, 80541), (243, 62643), (399, 38151), (471, 32319), (513, 29673), (567, 26847), (729, 20881), (1099, 13851), (1197, 12717), (1413, 10773), (1539, 9891), (1701, 8949), (2983, 5103), (3297, 4617), (3591, 4239)]