51513345

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{509}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 96904080

約数和(自身を除く): 45390735

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 173, 195, 509, 519, 585, 865, 1527, 1557, 2249, 2545, 2595, 4581, 6617, 6747, 7635, 7785, 11245, 19851, 20241, 22905, 33085, 33735, 59553, 88057, 99255, 101205, 264171, 297765, 440285, 792513, 1144741, 1320855, 3434223, 3962565, 5723705, 10302669, 17171115, 51513345]

約数ペア:

[(1, 51513345), (3, 17171115), (5, 10302669), (9, 5723705), (13, 3962565), (15, 3434223), (39, 1320855), (45, 1144741), (65, 792513), (117, 440285), (173, 297765), (195, 264171), (509, 101205), (519, 99255), (585, 88057), (865, 59553), (1527, 33735), (1557, 33085), (2249, 22905), (2545, 20241), (2595, 19851), (4581, 11245), (6617, 7785), (6747, 7635)]