211672845

素因数分解:

$3^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1579}}^1$

素因数の和:1927

約数の個数: 40

約数和(自身を含む): 380830560

約数和(自身を除く): 169157715

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 331, 405, 993, 1579, 1655, 2979, 4737, 4965, 7895, 8937, 14211, 14895, 23685, 26811, 42633, 44685, 71055, 127899, 134055, 213165, 522649, 639495, 1567947, 2613245, 4703841, 7839735, 14111523, 23519205, 42334569, 70557615, 211672845]

約数ペア:

[(1, 211672845), (3, 70557615), (5, 42334569), (9, 23519205), (15, 14111523), (27, 7839735), (45, 4703841), (81, 2613245), (135, 1567947), (331, 639495), (405, 522649), (993, 213165), (1579, 134055), (1655, 127899), (2979, 71055), (4737, 44685), (4965, 42633), (7895, 26811), (8937, 23685), (14211, 14895)]