23281713

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 43819776

約数和(自身を除く): 20538063

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 49, 63, 91, 93, 117, 131, 147, 217, 273, 279, 393, 403, 441, 637, 651, 819, 917, 1179, 1209, 1519, 1703, 1911, 1953, 2751, 2821, 3627, 4061, 4557, 5109, 5733, 6419, 8253, 8463, 11921, 12183, 13671, 15327, 19257, 19747, 25389, 28427, 35763, 36549, 52793, 57771, 59241, 83447, 85281, 107289, 158379, 177723, 198989, 250341, 255843, 369551, 475137, 596967, 751023, 1108653, 1790901, 2586857, 3325959, 7760571, 23281713]

約数ペア:

[(1, 23281713), (3, 7760571), (7, 3325959), (9, 2586857), (13, 1790901), (21, 1108653), (31, 751023), (39, 596967), (49, 475137), (63, 369551), (91, 255843), (93, 250341), (117, 198989), (131, 177723), (147, 158379), (217, 107289), (273, 85281), (279, 83447), (393, 59241), (403, 57771), (441, 52793), (637, 36549), (651, 35763), (819, 28427), (917, 25389), (1179, 19747), (1209, 19257), (1519, 15327), (1703, 13671), (1911, 12183), (1953, 11921), (2751, 8463), (2821, 8253), (3627, 6419), (4061, 5733), (4557, 5109)]