72172674

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{431}}^1\times {\mathrm{443}}^1$

素因数の和:892

約数の個数: 64

約数和(自身を含む): 184135680

約数和(自身を除く): 111963006

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 431, 443, 862, 886, 1293, 1329, 2586, 2658, 3017, 3101, 3879, 3987, 6034, 6202, 7758, 7974, 9051, 9303, 11637, 11961, 18102, 18606, 23274, 23922, 27153, 27909, 54306, 55818, 81459, 83727, 162918, 167454, 190933, 381866, 572799, 1145598, 1336531, 1718397, 2673062, 3436794, 4009593, 5155191, 8019186, 10310382, 12028779, 24057558, 36086337, 72172674]

約数ペア:

[(1, 72172674), (2, 36086337), (3, 24057558), (6, 12028779), (7, 10310382), (9, 8019186), (14, 5155191), (18, 4009593), (21, 3436794), (27, 2673062), (42, 1718397), (54, 1336531), (63, 1145598), (126, 572799), (189, 381866), (378, 190933), (431, 167454), (443, 162918), (862, 83727), (886, 81459), (1293, 55818), (1329, 54306), (2586, 27909), (2658, 27153), (3017, 23922), (3101, 23274), (3879, 18606), (3987, 18102), (6034, 11961), (6202, 11637), (7758, 9303), (7974, 9051)]