212173665

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67679}}^1$

素因数の和:67717

約数の個数: 32

約数和(自身を含む): 389836800

約数和(自身を除く): 177663135

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 67679, 203037, 338395, 744469, 1015185, 1285901, 2233407, 3722345, 3857703, 6429505, 11167035, 14144911, 19288515, 42434733, 70724555, 212173665]

約数ペア:

[(1, 212173665), (3, 70724555), (5, 42434733), (11, 19288515), (15, 14144911), (19, 11167035), (33, 6429505), (55, 3857703), (57, 3722345), (95, 2233407), (165, 1285901), (209, 1015185), (285, 744469), (627, 338395), (1045, 203037), (3135, 67679)]