280102911

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1\times {\mathrm{401}}^1$

素因数の和:823

約数の個数: 32

約数和(自身を含む): 416330496

約数和(自身を除く): 136227585

約数列:

[1, 3, 11, 33, 61, 183, 347, 401, 671, 1041, 1203, 2013, 3817, 4411, 11451, 13233, 21167, 24461, 63501, 73383, 139147, 232837, 269071, 417441, 698511, 807213, 1530617, 4591851, 8487967, 25463901, 93367637, 280102911]

約数ペア:

[(1, 280102911), (3, 93367637), (11, 25463901), (33, 8487967), (61, 4591851), (183, 1530617), (347, 807213), (401, 698511), (671, 417441), (1041, 269071), (1203, 232837), (2013, 139147), (3817, 73383), (4411, 63501), (11451, 24461), (13233, 21167)]