28476399

素因数分解:

$3^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{631}}^1$

素因数の和:955

約数の個数: 24

約数和(自身を含む): 44381568

約数和(自身を除く): 15905169

約数列:

[1, 3, 7, 21, 49, 147, 307, 631, 921, 1893, 2149, 4417, 6447, 13251, 15043, 30919, 45129, 92757, 193717, 581151, 1356019, 4068057, 9492133, 28476399]

約数ペア:

[(1, 28476399), (3, 9492133), (7, 4068057), (21, 1356019), (49, 581151), (147, 193717), (307, 92757), (631, 45129), (921, 30919), (1893, 15043), (2149, 13251), (4417, 6447)]