228991275

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{457}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 438547824

約数和(自身を除く): 209556549

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 131, 153, 225, 255, 393, 425, 457, 655, 765, 1179, 1275, 1371, 1965, 2227, 2285, 3275, 3825, 4113, 5895, 6681, 6855, 7769, 9825, 11135, 11425, 20043, 20565, 23307, 29475, 33405, 34275, 38845, 55675, 59867, 69921, 100215, 102825, 116535, 167025, 179601, 194225, 299335, 349605, 501075, 538803, 582675, 898005, 1017739, 1496675, 1748025, 2694015, 3053217, 4490025, 5088695, 9159651, 13470075, 15266085, 25443475, 45798255, 76330425, 228991275]

約数ペア:

[(1, 228991275), (3, 76330425), (5, 45798255), (9, 25443475), (15, 15266085), (17, 13470075), (25, 9159651), (45, 5088695), (51, 4490025), (75, 3053217), (85, 2694015), (131, 1748025), (153, 1496675), (225, 1017739), (255, 898005), (393, 582675), (425, 538803), (457, 501075), (655, 349605), (765, 299335), (1179, 194225), (1275, 179601), (1371, 167025), (1965, 116535), (2227, 102825), (2285, 100215), (3275, 69921), (3825, 59867), (4113, 55675), (5895, 38845), (6681, 34275), (6855, 33405), (7769, 29475), (9825, 23307), (11135, 20565), (11425, 20043)]