431331831

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{823}}^1$

素因数の和:945

約数の個数: 64

約数和(自身を含む): 759398400

約数和(自身を除く): 328066569

約数列:

[1, 3, 7, 9, 21, 27, 47, 59, 63, 141, 177, 189, 329, 413, 423, 531, 823, 987, 1239, 1269, 1593, 2469, 2773, 2961, 3717, 5761, 7407, 8319, 8883, 11151, 17283, 19411, 22221, 24957, 38681, 48557, 51849, 58233, 74871, 116043, 145671, 155547, 174699, 270767, 339899, 348129, 437013, 524097, 812301, 1019697, 1044387, 1311039, 2282179, 2436903, 3059091, 6846537, 7310709, 9177273, 15975253, 20539611, 47925759, 61618833, 143777277, 431331831]

約数ペア:

[(1, 431331831), (3, 143777277), (7, 61618833), (9, 47925759), (21, 20539611), (27, 15975253), (47, 9177273), (59, 7310709), (63, 6846537), (141, 3059091), (177, 2436903), (189, 2282179), (329, 1311039), (413, 1044387), (423, 1019697), (531, 812301), (823, 524097), (987, 437013), (1239, 348129), (1269, 339899), (1593, 270767), (2469, 174699), (2773, 155547), (2961, 145671), (3717, 116043), (5761, 74871), (7407, 58233), (8319, 51849), (8883, 48557), (11151, 38681), (17283, 24957), (19411, 22221)]