28173675

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1163}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 51960960

約数和(自身を除く): 23787285

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 255, 285, 323, 425, 475, 969, 1163, 1275, 1425, 1615, 3489, 4845, 5815, 8075, 17445, 19771, 22097, 24225, 29075, 59313, 66291, 87225, 98855, 110485, 296565, 331455, 375649, 494275, 552425, 1126947, 1482825, 1657275, 1878245, 5634735, 9391225, 28173675]

約数ペア:

[(1, 28173675), (3, 9391225), (5, 5634735), (15, 1878245), (17, 1657275), (19, 1482825), (25, 1126947), (51, 552425), (57, 494275), (75, 375649), (85, 331455), (95, 296565), (255, 110485), (285, 98855), (323, 87225), (425, 66291), (475, 59313), (969, 29075), (1163, 24225), (1275, 22097), (1425, 19771), (1615, 17445), (3489, 8075), (4845, 5815)]