40280877

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{359}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 72334080

約数和(自身を除く): 32053203

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 137, 273, 359, 411, 819, 959, 1077, 1233, 1781, 2513, 2877, 3231, 4667, 5343, 7539, 8631, 12467, 14001, 16029, 22617, 32669, 37401, 42003, 49183, 98007, 112203, 147549, 294021, 344281, 442647, 639379, 1032843, 1918137, 3098529, 4475653, 5754411, 13426959, 40280877]

約数ペア:

[(1, 40280877), (3, 13426959), (7, 5754411), (9, 4475653), (13, 3098529), (21, 1918137), (39, 1032843), (63, 639379), (91, 442647), (117, 344281), (137, 294021), (273, 147549), (359, 112203), (411, 98007), (819, 49183), (959, 42003), (1077, 37401), (1233, 32669), (1781, 22617), (2513, 16029), (2877, 14001), (3231, 12467), (4667, 8631), (5343, 7539)]