28151199

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:424

約数の個数: 32

約数和(自身を含む): 43608000

約数和(自身を除く): 15456801

約数列:

[1, 3, 9, 27, 29, 87, 157, 229, 261, 471, 687, 783, 1413, 2061, 4239, 4553, 6183, 6641, 13659, 19923, 35953, 40977, 59769, 107859, 122931, 179307, 323577, 970731, 1042637, 3127911, 9383733, 28151199]

約数ペア:

[(1, 28151199), (3, 9383733), (9, 3127911), (27, 1042637), (29, 970731), (87, 323577), (157, 179307), (229, 122931), (261, 107859), (471, 59769), (687, 40977), (783, 35953), (1413, 19923), (2061, 13659), (4239, 6641), (4553, 6183)]