65686725

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1321}}^1$

素因数の和:1367

約数の個数: 72

約数和(自身を含む): 134257032

約数和(自身を除く): 68570307

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 39, 45, 51, 65, 75, 85, 117, 153, 195, 221, 225, 255, 325, 425, 585, 663, 765, 975, 1105, 1275, 1321, 1989, 2925, 3315, 3825, 3963, 5525, 6605, 9945, 11889, 16575, 17173, 19815, 22457, 33025, 49725, 51519, 59445, 67371, 85865, 99075, 112285, 154557, 202113, 257595, 291941, 297225, 336855, 429325, 561425, 772785, 875823, 1010565, 1287975, 1459705, 1684275, 2627469, 3863925, 4379115, 5052825, 7298525, 13137345, 21895575, 65686725]

約数ペア:

[(1, 65686725), (3, 21895575), (5, 13137345), (9, 7298525), (13, 5052825), (15, 4379115), (17, 3863925), (25, 2627469), (39, 1684275), (45, 1459705), (51, 1287975), (65, 1010565), (75, 875823), (85, 772785), (117, 561425), (153, 429325), (195, 336855), (221, 297225), (225, 291941), (255, 257595), (325, 202113), (425, 154557), (585, 112285), (663, 99075), (765, 85865), (975, 67371), (1105, 59445), (1275, 51519), (1321, 49725), (1989, 33025), (2925, 22457), (3315, 19815), (3825, 17173), (3963, 16575), (5525, 11889), (6605, 9945)]