13211289

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 25446400

約数和(自身を除く): 12235111

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 39, 57, 63, 91, 117, 133, 171, 189, 247, 273, 283, 351, 399, 513, 741, 819, 849, 1197, 1729, 1981, 2223, 2457, 2547, 3591, 3679, 5187, 5377, 5943, 6669, 7641, 11037, 15561, 16131, 17829, 25753, 33111, 37639, 46683, 48393, 53487, 69901, 77259, 99333, 112917, 145179, 209703, 231777, 338751, 489307, 629109, 695331, 1016253, 1467921, 1887327, 4403763, 13211289]

約数ペア:

[(1, 13211289), (3, 4403763), (7, 1887327), (9, 1467921), (13, 1016253), (19, 695331), (21, 629109), (27, 489307), (39, 338751), (57, 231777), (63, 209703), (91, 145179), (117, 112917), (133, 99333), (171, 77259), (189, 69901), (247, 53487), (273, 48393), (283, 46683), (351, 37639), (399, 33111), (513, 25753), (741, 17829), (819, 16131), (849, 15561), (1197, 11037), (1729, 7641), (1981, 6669), (2223, 5943), (2457, 5377), (2547, 5187), (3591, 3679)]