28413075

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 50155520

約数和(自身を除く): 21742445

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 127, 157, 285, 381, 471, 475, 635, 785, 1425, 1905, 2355, 2413, 2983, 3175, 3925, 7239, 8949, 9525, 11775, 12065, 14915, 19939, 36195, 44745, 59817, 60325, 74575, 99695, 180975, 223725, 299085, 378841, 498475, 1136523, 1495425, 1894205, 5682615, 9471025, 28413075]

約数ペア:

[(1, 28413075), (3, 9471025), (5, 5682615), (15, 1894205), (19, 1495425), (25, 1136523), (57, 498475), (75, 378841), (95, 299085), (127, 223725), (157, 180975), (285, 99695), (381, 74575), (471, 60325), (475, 59817), (635, 44745), (785, 36195), (1425, 19939), (1905, 14915), (2355, 12065), (2413, 11775), (2983, 9525), (3175, 8949), (3925, 7239)]