55390725

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{653}}^1$

素因数の和:711

約数の個数: 72

約数和(自身を含む): 110696040

約数和(自身を除く): 55305315

約数列:

[1, 3, 5, 9, 13, 15, 25, 29, 39, 45, 65, 75, 87, 117, 145, 195, 225, 261, 325, 377, 435, 585, 653, 725, 975, 1131, 1305, 1885, 1959, 2175, 2925, 3265, 3393, 5655, 5877, 6525, 8489, 9425, 9795, 16325, 16965, 18937, 25467, 28275, 29385, 42445, 48975, 56811, 76401, 84825, 94685, 127335, 146925, 170433, 212225, 246181, 284055, 382005, 473425, 636675, 738543, 852165, 1230905, 1420275, 1910025, 2215629, 3692715, 4260825, 6154525, 11078145, 18463575, 55390725]

約数ペア:

[(1, 55390725), (3, 18463575), (5, 11078145), (9, 6154525), (13, 4260825), (15, 3692715), (25, 2215629), (29, 1910025), (39, 1420275), (45, 1230905), (65, 852165), (75, 738543), (87, 636675), (117, 473425), (145, 382005), (195, 284055), (225, 246181), (261, 212225), (325, 170433), (377, 146925), (435, 127335), (585, 94685), (653, 84825), (725, 76401), (975, 56811), (1131, 48975), (1305, 42445), (1885, 29385), (1959, 28275), (2175, 25467), (2925, 18937), (3265, 16965), (3393, 16325), (5655, 9795), (5877, 9425), (6525, 8489)]