87438819

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 129015040

約数和(自身を除く): 41576221

約数列:

[1, 3, 13, 39, 67, 109, 201, 307, 327, 871, 921, 1417, 2613, 3991, 4251, 7303, 11973, 20569, 21909, 33463, 61707, 94939, 100389, 267397, 284817, 435019, 802191, 1305057, 2242021, 6726063, 29146273, 87438819]

約数ペア:

[(1, 87438819), (3, 29146273), (13, 6726063), (39, 2242021), (67, 1305057), (109, 802191), (201, 435019), (307, 284817), (327, 267397), (871, 100389), (921, 94939), (1417, 61707), (2613, 33463), (3991, 21909), (4251, 20569), (7303, 11973)]