187862031

素因数分解:

$3^3\times 7^2\times {\mathrm{149}}^1\times {\mathrm{953}}^1$

素因数の和:1125

約数の個数: 48

約数和(自身を含む): 326268000

約数和(自身を除く): 138405969

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 149, 189, 441, 447, 953, 1043, 1323, 1341, 2859, 3129, 4023, 6671, 7301, 8577, 9387, 20013, 21903, 25731, 28161, 46697, 60039, 65709, 140091, 141997, 180117, 197127, 420273, 425991, 993979, 1260819, 1277973, 2981937, 3833919, 6957853, 8945811, 20873559, 26837433, 62620677, 187862031]

約数ペア:

[(1, 187862031), (3, 62620677), (7, 26837433), (9, 20873559), (21, 8945811), (27, 6957853), (49, 3833919), (63, 2981937), (147, 1277973), (149, 1260819), (189, 993979), (441, 425991), (447, 420273), (953, 197127), (1043, 180117), (1323, 141997), (1341, 140091), (2859, 65709), (3129, 60039), (4023, 46697), (6671, 28161), (7301, 25731), (8577, 21903), (9387, 20013)]