40838889

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{659}}^1$

素因数の和:909

約数の個数: 32

約数和(自身を含む): 67415040

約数和(自身を除く): 26576151

約数列:

[1, 3, 7, 13, 21, 39, 91, 227, 273, 659, 681, 1589, 1977, 2951, 4613, 4767, 8567, 8853, 13839, 20657, 25701, 59969, 61971, 149593, 179907, 448779, 1047151, 1944709, 3141453, 5834127, 13612963, 40838889]

約数ペア:

[(1, 40838889), (3, 13612963), (7, 5834127), (13, 3141453), (21, 1944709), (39, 1047151), (91, 448779), (227, 179907), (273, 149593), (659, 61971), (681, 59969), (1589, 25701), (1977, 20657), (2951, 13839), (4613, 8853), (4767, 8567)]