216321735

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{29017}}^1$

素因数の和:29103

約数の個数: 32

約数和(自身を含む): 401144832

約数和(自身を除く): 184823097

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 355, 497, 1065, 1491, 2485, 7455, 29017, 87051, 145085, 203119, 435255, 609357, 1015595, 2060207, 3046785, 6180621, 10301035, 14421449, 30903105, 43264347, 72107245, 216321735]

約数ペア:

[(1, 216321735), (3, 72107245), (5, 43264347), (7, 30903105), (15, 14421449), (21, 10301035), (35, 6180621), (71, 3046785), (105, 2060207), (213, 1015595), (355, 609357), (497, 435255), (1065, 203119), (1491, 145085), (2485, 87051), (7455, 29017)]