291245409

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1049}}^1$

素因数の和:1191

約数の個数: 64

約数和(自身を含む): 536256000

約数和(自身を除く): 245010591

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 113, 117, 189, 273, 339, 351, 791, 819, 1017, 1049, 1469, 2373, 2457, 3051, 3147, 4407, 7119, 7343, 9441, 10283, 13221, 13637, 21357, 22029, 28323, 30849, 39663, 40911, 66087, 92547, 95459, 118537, 122733, 198261, 277641, 286377, 355611, 368199, 829759, 859131, 1066833, 1540981, 2489277, 2577393, 3200499, 4622943, 7467831, 10786867, 13868829, 22403493, 32360601, 41606487, 97081803, 291245409]

約数ペア:

[(1, 291245409), (3, 97081803), (7, 41606487), (9, 32360601), (13, 22403493), (21, 13868829), (27, 10786867), (39, 7467831), (63, 4622943), (91, 3200499), (113, 2577393), (117, 2489277), (189, 1540981), (273, 1066833), (339, 859131), (351, 829759), (791, 368199), (819, 355611), (1017, 286377), (1049, 277641), (1469, 198261), (2373, 122733), (2457, 118537), (3051, 95459), (3147, 92547), (4407, 66087), (7119, 40911), (7343, 39663), (9441, 30849), (10283, 28323), (13221, 22029), (13637, 21357)]