223062903

素因数分解:

$3^4\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1997}}^1$

素因数の和:2213

約数の個数: 40

約数和(自身を含む): 382944672

約数和(自身を除く): 159881769

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 197, 567, 591, 1379, 1773, 1997, 4137, 5319, 5991, 12411, 13979, 15957, 17973, 37233, 41937, 53919, 111699, 125811, 161757, 377433, 393409, 1132299, 1180227, 2753863, 3540681, 8261589, 10622043, 24784767, 31866129, 74354301, 223062903]

約数ペア:

[(1, 223062903), (3, 74354301), (7, 31866129), (9, 24784767), (21, 10622043), (27, 8261589), (63, 3540681), (81, 2753863), (189, 1180227), (197, 1132299), (567, 393409), (591, 377433), (1379, 161757), (1773, 125811), (1997, 111699), (4137, 53919), (5319, 41937), (5991, 37233), (12411, 17973), (13979, 15957)]