281373183

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{647}}^1$

素因数の和:738

約数の個数: 80

約数和(自身を含む): 526901760

約数和(自身を除く): 245528577

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 59, 63, 81, 91, 117, 177, 189, 273, 351, 413, 531, 567, 647, 767, 819, 1053, 1239, 1593, 1941, 2301, 2457, 3717, 4529, 4779, 5369, 5823, 6903, 7371, 8411, 11151, 13587, 16107, 17469, 20709, 25233, 33453, 38173, 40761, 48321, 52407, 58877, 62127, 75699, 114519, 122283, 144963, 176631, 227097, 267211, 343557, 366849, 434889, 496249, 529893, 681291, 801633, 1030671, 1488747, 1589679, 2404899, 3092013, 3473743, 4466241, 4769037, 7214697, 10421229, 13398723, 21644091, 31263687, 40196169, 93791061, 281373183]

約数ペア:

[(1, 281373183), (3, 93791061), (7, 40196169), (9, 31263687), (13, 21644091), (21, 13398723), (27, 10421229), (39, 7214697), (59, 4769037), (63, 4466241), (81, 3473743), (91, 3092013), (117, 2404899), (177, 1589679), (189, 1488747), (273, 1030671), (351, 801633), (413, 681291), (531, 529893), (567, 496249), (647, 434889), (767, 366849), (819, 343557), (1053, 267211), (1239, 227097), (1593, 176631), (1941, 144963), (2301, 122283), (2457, 114519), (3717, 75699), (4529, 62127), (4779, 58877), (5369, 52407), (5823, 48321), (6903, 40761), (7371, 38173), (8411, 33453), (11151, 25233), (13587, 20709), (16107, 17469)]