400874733

素因数分解:

$3^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:188

約数の個数: 96

約数和(自身を含む): 718848000

約数和(自身を除く): 317973267

約数列:

[1, 3, 7, 9, 21, 31, 49, 59, 63, 71, 93, 147, 177, 213, 217, 279, 343, 413, 441, 497, 531, 639, 651, 1029, 1239, 1491, 1519, 1829, 1953, 2201, 2891, 3087, 3479, 3717, 4189, 4473, 4557, 5487, 6603, 8673, 10437, 10633, 12567, 12803, 13671, 15407, 16461, 19809, 20237, 24353, 26019, 29323, 31311, 31899, 37701, 38409, 46221, 60711, 73059, 87969, 89621, 95697, 107849, 115227, 129859, 138663, 182133, 205261, 219177, 263907, 268863, 323547, 389577, 615783, 627347, 754943, 806589, 909013, 970641, 1168731, 1436827, 1847349, 1882041, 2264829, 2727039, 4310481, 5646123, 6363091, 6794487, 8181117, 12931443, 19089273, 44541637, 57267819, 133624911, 400874733]

約数ペア:

[(1, 400874733), (3, 133624911), (7, 57267819), (9, 44541637), (21, 19089273), (31, 12931443), (49, 8181117), (59, 6794487), (63, 6363091), (71, 5646123), (93, 4310481), (147, 2727039), (177, 2264829), (213, 1882041), (217, 1847349), (279, 1436827), (343, 1168731), (413, 970641), (441, 909013), (497, 806589), (531, 754943), (639, 627347), (651, 615783), (1029, 389577), (1239, 323547), (1491, 268863), (1519, 263907), (1829, 219177), (1953, 205261), (2201, 182133), (2891, 138663), (3087, 129859), (3479, 115227), (3717, 107849), (4189, 95697), (4473, 89621), (4557, 87969), (5487, 73059), (6603, 60711), (8673, 46221), (10437, 38409), (10633, 37701), (12567, 31899), (12803, 31311), (13671, 29323), (15407, 26019), (16461, 24353), (19809, 20237)]