78882975

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{503}}^1$

素因数の和:577

約数の個数: 72

約数和(自身を含む): 153552672

約数和(自身を除く): 74669697

約数列:

[1, 3, 5, 9, 15, 17, 25, 41, 45, 51, 75, 85, 123, 153, 205, 225, 255, 369, 425, 503, 615, 697, 765, 1025, 1275, 1509, 1845, 2091, 2515, 3075, 3485, 3825, 4527, 6273, 7545, 8551, 9225, 10455, 12575, 17425, 20623, 22635, 25653, 31365, 37725, 42755, 52275, 61869, 76959, 103115, 113175, 128265, 156825, 185607, 213775, 309345, 350591, 384795, 515575, 641325, 928035, 1051773, 1546725, 1752955, 1923975, 3155319, 4640175, 5258865, 8764775, 15776595, 26294325, 78882975]

約数ペア:

[(1, 78882975), (3, 26294325), (5, 15776595), (9, 8764775), (15, 5258865), (17, 4640175), (25, 3155319), (41, 1923975), (45, 1752955), (51, 1546725), (75, 1051773), (85, 928035), (123, 641325), (153, 515575), (205, 384795), (225, 350591), (255, 309345), (369, 213775), (425, 185607), (503, 156825), (615, 128265), (697, 113175), (765, 103115), (1025, 76959), (1275, 61869), (1509, 52275), (1845, 42755), (2091, 37725), (2515, 31365), (3075, 25653), (3485, 22635), (3825, 20623), (4527, 17425), (6273, 12575), (7545, 10455), (8551, 9225)]