201871257

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{1321}}^1$

素因数の和:1733

約数の個数: 32

約数和(自身を含む): 324894720

約数和(自身を除く): 123023463

約数列:

[1, 3, 7, 19, 21, 57, 133, 383, 399, 1149, 1321, 2681, 3963, 7277, 8043, 9247, 21831, 25099, 27741, 50939, 75297, 152817, 175693, 505943, 527079, 1517829, 3541601, 9612917, 10624803, 28838751, 67290419, 201871257]

約数ペア:

[(1, 201871257), (3, 67290419), (7, 28838751), (19, 10624803), (21, 9612917), (57, 3541601), (133, 1517829), (383, 527079), (399, 505943), (1149, 175693), (1321, 152817), (2681, 75297), (3963, 50939), (7277, 27741), (8043, 25099), (9247, 21831)]