71891325

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{937}}^1$

素因数の和:995

約数の個数: 72

約数和(自身を含む): 145157376

約数和(自身を除く): 73266051

約数列:

[1, 3, 5, 9, 11, 15, 25, 31, 33, 45, 55, 75, 93, 99, 155, 165, 225, 275, 279, 341, 465, 495, 775, 825, 937, 1023, 1395, 1705, 2325, 2475, 2811, 3069, 4685, 5115, 6975, 8433, 8525, 10307, 14055, 15345, 23425, 25575, 29047, 30921, 42165, 51535, 70275, 76725, 87141, 92763, 145235, 154605, 210825, 257675, 261423, 319517, 435705, 463815, 726175, 773025, 958551, 1307115, 1597585, 2178525, 2319075, 2875653, 4792755, 6535575, 7987925, 14378265, 23963775, 71891325]

約数ペア:

[(1, 71891325), (3, 23963775), (5, 14378265), (9, 7987925), (11, 6535575), (15, 4792755), (25, 2875653), (31, 2319075), (33, 2178525), (45, 1597585), (55, 1307115), (75, 958551), (93, 773025), (99, 726175), (155, 463815), (165, 435705), (225, 319517), (275, 261423), (279, 257675), (341, 210825), (465, 154605), (495, 145235), (775, 92763), (825, 87141), (937, 76725), (1023, 70275), (1395, 51535), (1705, 42165), (2325, 30921), (2475, 29047), (2811, 25575), (3069, 23425), (4685, 15345), (5115, 14055), (6975, 10307), (8433, 8525)]