26253213

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 41570304

約数和(自身を除く): 15317091

約数列:

[1, 3, 7, 21, 47, 67, 141, 201, 329, 397, 469, 987, 1191, 1407, 2779, 3149, 8337, 9447, 18659, 22043, 26599, 55977, 66129, 79797, 130613, 186193, 391839, 558579, 1250153, 3750459, 8751071, 26253213]

約数ペア:

[(1, 26253213), (3, 8751071), (7, 3750459), (21, 1250153), (47, 558579), (67, 391839), (141, 186193), (201, 130613), (329, 79797), (397, 66129), (469, 55977), (987, 26599), (1191, 22043), (1407, 18659), (2779, 9447), (3149, 8337)]