399546

素因数分解:

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

素因数の和:176

約数の個数: 48

約数和(自身を含む): 1039680

約数和(自身を除く): 640134

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 151, 189, 294, 302, 378, 441, 453, 882, 906, 1057, 1323, 1359, 2114, 2646, 2718, 3171, 4077, 6342, 7399, 8154, 9513, 14798, 19026, 22197, 28539, 44394, 57078, 66591, 133182, 199773, 399546]

約数ペア:

[(1, 399546), (2, 199773), (3, 133182), (6, 66591), (7, 57078), (9, 44394), (14, 28539), (18, 22197), (21, 19026), (27, 14798), (42, 9513), (49, 8154), (54, 7399), (63, 6342), (98, 4077), (126, 3171), (147, 2718), (151, 2646), (189, 2114), (294, 1359), (302, 1323), (378, 1057), (441, 906), (453, 882)]