81627516

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{37171}}^1$

素因数の和:37242

約数の個数: 36

約数和(自身を含む): 209724424

約数和(自身を除く): 128096908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 366, 549, 732, 1098, 2196, 37171, 74342, 111513, 148684, 223026, 334539, 446052, 669078, 1338156, 2267431, 4534862, 6802293, 9069724, 13604586, 20406879, 27209172, 40813758, 81627516]

約数ペア:

[(1, 81627516), (2, 40813758), (3, 27209172), (4, 20406879), (6, 13604586), (9, 9069724), (12, 6802293), (18, 4534862), (36, 2267431), (61, 1338156), (122, 669078), (183, 446052), (244, 334539), (366, 223026), (549, 148684), (732, 111513), (1098, 74342), (2196, 37171)]