289771851

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{619}}^1$

素因数の和:843

約数の個数: 32

約数和(自身を含む): 418901760

約数和(自身を除く): 129129909

約数列:

[1, 3, 17, 51, 67, 137, 201, 411, 619, 1139, 1857, 2329, 3417, 6987, 9179, 10523, 27537, 31569, 41473, 84803, 124419, 156043, 254409, 468129, 705041, 1441651, 2115123, 4324953, 5681801, 17045403, 96590617, 289771851]

約数ペア:

[(1, 289771851), (3, 96590617), (17, 17045403), (51, 5681801), (67, 4324953), (137, 2115123), (201, 1441651), (411, 705041), (619, 468129), (1139, 254409), (1857, 156043), (2329, 124419), (3417, 84803), (6987, 41473), (9179, 31569), (10523, 27537)]