28556793

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{12157}}^1$

素因数の和:12198

約数の個数: 20

約数和(自身を含む): 44133540

約数和(自身を除く): 15576747

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 12157, 36471, 109413, 328239, 352553, 984717, 1057659, 3172977, 9518931, 28556793]

約数ペア:

[(1, 28556793), (3, 9518931), (9, 3172977), (27, 1057659), (29, 984717), (81, 352553), (87, 328239), (261, 109413), (783, 36471), (2349, 12157)]