201977865

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{2161}}^1$

素因数の和:2270

約数の個数: 48

約数和(自身を含む): 366951936

約数和(自身を除く): 164974071

約数列:

[1, 3, 5, 9, 15, 31, 45, 67, 93, 155, 201, 279, 335, 465, 603, 1005, 1395, 2077, 2161, 3015, 6231, 6483, 10385, 10805, 18693, 19449, 31155, 32415, 66991, 93465, 97245, 144787, 200973, 334955, 434361, 602919, 723935, 1004865, 1303083, 2171805, 3014595, 4488397, 6515415, 13465191, 22441985, 40395573, 67325955, 201977865]

約数ペア:

[(1, 201977865), (3, 67325955), (5, 40395573), (9, 22441985), (15, 13465191), (31, 6515415), (45, 4488397), (67, 3014595), (93, 2171805), (155, 1303083), (201, 1004865), (279, 723935), (335, 602919), (465, 434361), (603, 334955), (1005, 200973), (1395, 144787), (2077, 97245), (2161, 93465), (3015, 66991), (6231, 32415), (6483, 31155), (10385, 19449), (10805, 18693)]