28901313

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5273}}^1$

素因数の和:5318

約数の個数: 32

約数和(自身を含む): 50630400

約数和(自身を除く): 21729087

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 5273, 5481, 15819, 36911, 47457, 110733, 142371, 152917, 332199, 458751, 996597, 1070419, 1376253, 3211257, 4128759, 9633771, 28901313]

約数ペア:

[(1, 28901313), (3, 9633771), (7, 4128759), (9, 3211257), (21, 1376253), (27, 1070419), (29, 996597), (63, 458751), (87, 332199), (189, 152917), (203, 142371), (261, 110733), (609, 47457), (783, 36911), (1827, 15819), (5273, 5481)]