25381917

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{467}}^1$

素因数の和:551

約数の個数: 40

約数和(自身を含む): 42131232

約数和(自身を除く): 16749315

約数列:

[1, 3, 9, 11, 27, 33, 61, 81, 99, 183, 297, 467, 549, 671, 891, 1401, 1647, 2013, 4203, 4941, 5137, 6039, 12609, 15411, 18117, 28487, 37827, 46233, 54351, 85461, 138699, 256383, 313357, 416097, 769149, 940071, 2307447, 2820213, 8460639, 25381917]

約数ペア:

[(1, 25381917), (3, 8460639), (9, 2820213), (11, 2307447), (27, 940071), (33, 769149), (61, 416097), (81, 313357), (99, 256383), (183, 138699), (297, 85461), (467, 54351), (549, 46233), (671, 37827), (891, 28487), (1401, 18117), (1647, 15411), (2013, 12609), (4203, 6039), (4941, 5137)]