2778825

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 5396480

約数和(自身を除く): 2617655

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 67, 75, 79, 105, 175, 201, 237, 335, 395, 469, 525, 553, 1005, 1185, 1407, 1659, 1675, 1975, 2345, 2765, 5025, 5293, 5925, 7035, 8295, 11725, 13825, 15879, 26465, 35175, 37051, 41475, 79395, 111153, 132325, 185255, 396975, 555765, 926275, 2778825]

約数ペア:

[(1, 2778825), (3, 926275), (5, 555765), (7, 396975), (15, 185255), (21, 132325), (25, 111153), (35, 79395), (67, 41475), (75, 37051), (79, 35175), (105, 26465), (175, 15879), (201, 13825), (237, 11725), (335, 8295), (395, 7035), (469, 5925), (525, 5293), (553, 5025), (1005, 2765), (1185, 2345), (1407, 1975), (1659, 1675)]