30213021

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 44115840

約数和(自身を除く): 13902819

約数列:

[1, 3, 19, 53, 57, 73, 137, 159, 219, 411, 1007, 1387, 2603, 3021, 3869, 4161, 7261, 7809, 10001, 11607, 21783, 30003, 73511, 137959, 190019, 220533, 413877, 530053, 570057, 1590159, 10071007, 30213021]

約数ペア:

[(1, 30213021), (3, 10071007), (19, 1590159), (53, 570057), (57, 530053), (73, 413877), (137, 220533), (159, 190019), (219, 137959), (411, 73511), (1007, 30003), (1387, 21783), (2603, 11607), (3021, 10001), (3869, 7809), (4161, 7261)]