28270575

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 56581200

約数和(自身を除く): 28310625

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 45, 51, 57, 75, 85, 95, 153, 171, 225, 255, 285, 323, 389, 425, 475, 765, 855, 969, 1167, 1275, 1425, 1615, 1945, 2907, 3501, 3825, 4275, 4845, 5835, 6613, 7391, 8075, 9725, 14535, 17505, 19839, 22173, 24225, 29175, 33065, 36955, 59517, 66519, 72675, 87525, 99195, 110865, 125647, 165325, 184775, 297585, 332595, 376941, 495975, 554325, 628235, 1130823, 1487925, 1662975, 1884705, 3141175, 5654115, 9423525, 28270575]

約数ペア:

[(1, 28270575), (3, 9423525), (5, 5654115), (9, 3141175), (15, 1884705), (17, 1662975), (19, 1487925), (25, 1130823), (45, 628235), (51, 554325), (57, 495975), (75, 376941), (85, 332595), (95, 297585), (153, 184775), (171, 165325), (225, 125647), (255, 110865), (285, 99195), (323, 87525), (389, 72675), (425, 66519), (475, 59517), (765, 36955), (855, 33065), (969, 29175), (1167, 24225), (1275, 22173), (1425, 19839), (1615, 17505), (1945, 14535), (2907, 9725), (3501, 8075), (3825, 7391), (4275, 6613), (4845, 5835)]