145280385

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21101}}^1$

素因数の和:21135

約数の個数: 40

約数和(自身を含む): 275760936

約数和(自身を除く): 130480551

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 21101, 63303, 105505, 189909, 316515, 358717, 569727, 949545, 1076151, 1709181, 1793585, 2848635, 3228453, 5380755, 8545905, 9685359, 16142265, 29056077, 48426795, 145280385]

約数ペア:

[(1, 145280385), (3, 48426795), (5, 29056077), (9, 16142265), (15, 9685359), (17, 8545905), (27, 5380755), (45, 3228453), (51, 2848635), (81, 1793585), (85, 1709181), (135, 1076151), (153, 949545), (255, 569727), (405, 358717), (459, 316515), (765, 189909), (1377, 105505), (2295, 63303), (6885, 21101)]