18321903

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 10708497

約数列:

[1, 3, 9, 17, 27, 51, 153, 179, 223, 459, 537, 669, 1611, 2007, 3043, 3791, 4833, 6021, 9129, 11373, 27387, 34119, 39917, 82161, 102357, 119751, 359253, 678589, 1077759, 2035767, 6107301, 18321903]

約数ペア:

[(1, 18321903), (3, 6107301), (9, 2035767), (17, 1077759), (27, 678589), (51, 359253), (153, 119751), (179, 102357), (223, 82161), (459, 39917), (537, 34119), (669, 27387), (1611, 11373), (2007, 9129), (3043, 6021), (3791, 4833)]