28034025

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 49520640

約数和(自身を除く): 21486615

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 103, 191, 285, 309, 475, 515, 573, 955, 1425, 1545, 1957, 2575, 2865, 3629, 4775, 5871, 7725, 9785, 10887, 14325, 18145, 19673, 29355, 48925, 54435, 59019, 90725, 98365, 146775, 272175, 295095, 373787, 491825, 1121361, 1475475, 1868935, 5606805, 9344675, 28034025]

約数ペア:

[(1, 28034025), (3, 9344675), (5, 5606805), (15, 1868935), (19, 1475475), (25, 1121361), (57, 491825), (75, 373787), (95, 295095), (103, 272175), (191, 146775), (285, 98365), (309, 90725), (475, 59019), (515, 54435), (573, 48925), (955, 29355), (1425, 19673), (1545, 18145), (1957, 14325), (2575, 10887), (2865, 9785), (3629, 7725), (4775, 5871)]