15201725

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 24105600

約数和(自身を除く): 8903875

約数列:

[1, 5, 7, 11, 25, 35, 53, 55, 77, 149, 175, 265, 275, 371, 385, 583, 745, 1043, 1325, 1639, 1855, 1925, 2915, 3725, 4081, 5215, 7897, 8195, 9275, 11473, 14575, 20405, 26075, 39485, 40975, 55279, 57365, 86867, 102025, 197425, 276395, 286825, 434335, 608069, 1381975, 2171675, 3040345, 15201725]

約数ペア:

[(1, 15201725), (5, 3040345), (7, 2171675), (11, 1381975), (25, 608069), (35, 434335), (53, 286825), (55, 276395), (77, 197425), (149, 102025), (175, 86867), (265, 57365), (275, 55279), (371, 40975), (385, 39485), (583, 26075), (745, 20405), (1043, 14575), (1325, 11473), (1639, 9275), (1855, 8195), (1925, 7897), (2915, 5215), (3725, 4081)]