28605591

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 49573888

約数和(自身を除く): 20968297

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 97, 151, 217, 279, 291, 453, 651, 679, 873, 1057, 1359, 1953, 2037, 3007, 3171, 4681, 6111, 9021, 9513, 14043, 14647, 21049, 27063, 32767, 42129, 43941, 63147, 98301, 102529, 131823, 189441, 294903, 307587, 454057, 922761, 1362171, 3178399, 4086513, 9535197, 28605591]

約数ペア:

[(1, 28605591), (3, 9535197), (7, 4086513), (9, 3178399), (21, 1362171), (31, 922761), (63, 454057), (93, 307587), (97, 294903), (151, 189441), (217, 131823), (279, 102529), (291, 98301), (453, 63147), (651, 43941), (679, 42129), (873, 32767), (1057, 27063), (1359, 21049), (1953, 14647), (2037, 14043), (3007, 9513), (3171, 9021), (4681, 6111)]