201420615

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1367}}^1$

素因数の和:1452

約数の個数: 64

約数和(自身を含む): 378224640

約数和(自身を除く): 176804025

約数列:

[1, 3, 5, 11, 15, 19, 33, 47, 55, 57, 95, 141, 165, 209, 235, 285, 517, 627, 705, 893, 1045, 1367, 1551, 2585, 2679, 3135, 4101, 4465, 6835, 7755, 9823, 13395, 15037, 20505, 25973, 29469, 45111, 49115, 64249, 75185, 77919, 129865, 147345, 192747, 225555, 285703, 321245, 389595, 706739, 857109, 963735, 1220731, 1428515, 2120217, 3533695, 3662193, 4285545, 6103655, 10601085, 13428041, 18310965, 40284123, 67140205, 201420615]

約数ペア:

[(1, 201420615), (3, 67140205), (5, 40284123), (11, 18310965), (15, 13428041), (19, 10601085), (33, 6103655), (47, 4285545), (55, 3662193), (57, 3533695), (95, 2120217), (141, 1428515), (165, 1220731), (209, 963735), (235, 857109), (285, 706739), (517, 389595), (627, 321245), (705, 285703), (893, 225555), (1045, 192747), (1367, 147345), (1551, 129865), (2585, 77919), (2679, 75185), (3135, 64249), (4101, 49115), (4465, 45111), (6835, 29469), (7755, 25973), (9823, 20505), (13395, 15037)]