85686675

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{383}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 150466560

約数和(自身を除く): 64779885

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 157, 285, 383, 471, 475, 785, 1149, 1425, 1915, 2355, 2983, 3925, 5745, 7277, 8949, 9575, 11775, 14915, 21831, 28725, 36385, 44745, 60131, 74575, 109155, 180393, 181925, 223725, 300655, 545775, 901965, 1142489, 1503275, 3427467, 4509825, 5712445, 17137335, 28562225, 85686675]

約数ペア:

[(1, 85686675), (3, 28562225), (5, 17137335), (15, 5712445), (19, 4509825), (25, 3427467), (57, 1503275), (75, 1142489), (95, 901965), (157, 545775), (285, 300655), (383, 223725), (471, 181925), (475, 180393), (785, 109155), (1149, 74575), (1425, 60131), (1915, 44745), (2355, 36385), (2983, 28725), (3925, 21831), (5745, 14915), (7277, 11775), (8949, 9575)]