28561275

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:186

約数の個数: 96

約数和(自身を含む): 58924800

約数和(自身を除く): 30363525

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 27, 45, 51, 57, 75, 85, 95, 131, 135, 153, 171, 225, 255, 285, 323, 393, 425, 459, 475, 513, 655, 675, 765, 855, 969, 1179, 1275, 1425, 1615, 1965, 2227, 2295, 2489, 2565, 2907, 3275, 3537, 3825, 4275, 4845, 5895, 6681, 7467, 8075, 8721, 9825, 11135, 11475, 12445, 12825, 14535, 17685, 20043, 22401, 24225, 29475, 33405, 37335, 42313, 43605, 55675, 60129, 62225, 67203, 72675, 88425, 100215, 112005, 126939, 167025, 186675, 211565, 218025, 300645, 336015, 380817, 501075, 560025, 634695, 1057825, 1142451, 1503225, 1680075, 1904085, 3173475, 5712255, 9520425, 28561275]

約数ペア:

[(1, 28561275), (3, 9520425), (5, 5712255), (9, 3173475), (15, 1904085), (17, 1680075), (19, 1503225), (25, 1142451), (27, 1057825), (45, 634695), (51, 560025), (57, 501075), (75, 380817), (85, 336015), (95, 300645), (131, 218025), (135, 211565), (153, 186675), (171, 167025), (225, 126939), (255, 112005), (285, 100215), (323, 88425), (393, 72675), (425, 67203), (459, 62225), (475, 60129), (513, 55675), (655, 43605), (675, 42313), (765, 37335), (855, 33405), (969, 29475), (1179, 24225), (1275, 22401), (1425, 20043), (1615, 17685), (1965, 14535), (2227, 12825), (2295, 12445), (2489, 11475), (2565, 11135), (2907, 9825), (3275, 8721), (3537, 8075), (3825, 7467), (4275, 6681), (4845, 5895)]