13909425

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 24879360

約数和(自身を除く): 10969935

約数列:

[1, 3, 5, 15, 19, 25, 43, 57, 75, 95, 129, 215, 227, 285, 475, 645, 681, 817, 1075, 1135, 1425, 2451, 3225, 3405, 4085, 4313, 5675, 9761, 12255, 12939, 17025, 20425, 21565, 29283, 48805, 61275, 64695, 107825, 146415, 185459, 244025, 323475, 556377, 732075, 927295, 2781885, 4636475, 13909425]

約数ペア:

[(1, 13909425), (3, 4636475), (5, 2781885), (15, 927295), (19, 732075), (25, 556377), (43, 323475), (57, 244025), (75, 185459), (95, 146415), (129, 107825), (215, 64695), (227, 61275), (285, 48805), (475, 29283), (645, 21565), (681, 20425), (817, 17025), (1075, 12939), (1135, 12255), (1425, 9761), (2451, 5675), (3225, 4313), (3405, 4085)]