15961425

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{487}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 29045760

約数和(自身を除く): 13084335

約数列:

[1, 3, 5, 15, 19, 23, 25, 57, 69, 75, 95, 115, 285, 345, 437, 475, 487, 575, 1311, 1425, 1461, 1725, 2185, 2435, 6555, 7305, 9253, 10925, 11201, 12175, 27759, 32775, 33603, 36525, 46265, 56005, 138795, 168015, 212819, 231325, 280025, 638457, 693975, 840075, 1064095, 3192285, 5320475, 15961425]

約数ペア:

[(1, 15961425), (3, 5320475), (5, 3192285), (15, 1064095), (19, 840075), (23, 693975), (25, 638457), (57, 280025), (69, 231325), (75, 212819), (95, 168015), (115, 138795), (285, 56005), (345, 46265), (437, 36525), (475, 33603), (487, 32775), (575, 27759), (1311, 12175), (1425, 11201), (1461, 10925), (1725, 9253), (2185, 7305), (2435, 6555)]