202012419

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{881}}^1$

素因数の和:1131

約数の個数: 32

約数和(自身を含む): 314979840

約数和(自身を除く): 112967421

約数列:

[1, 3, 7, 21, 61, 179, 183, 427, 537, 881, 1253, 1281, 2643, 3759, 6167, 10919, 18501, 32757, 53741, 76433, 157699, 161223, 229299, 376187, 473097, 1103893, 1128561, 3311679, 9619639, 28858917, 67337473, 202012419]

約数ペア:

[(1, 202012419), (3, 67337473), (7, 28858917), (21, 9619639), (61, 3311679), (179, 1128561), (183, 1103893), (427, 473097), (537, 376187), (881, 229299), (1253, 161223), (1281, 157699), (2643, 76433), (3759, 53741), (6167, 32757), (10919, 18501)]