55531275

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 95720064

約数和(自身を除く): 40188789

約数列:

[1, 3, 5, 15, 25, 43, 67, 75, 129, 201, 215, 257, 335, 645, 771, 1005, 1075, 1285, 1675, 2881, 3225, 3855, 5025, 6425, 8643, 11051, 14405, 17219, 19275, 33153, 43215, 51657, 55255, 72025, 86095, 165765, 216075, 258285, 276275, 430475, 740417, 828825, 1291425, 2221251, 3702085, 11106255, 18510425, 55531275]

約数ペア:

[(1, 55531275), (3, 18510425), (5, 11106255), (15, 3702085), (25, 2221251), (43, 1291425), (67, 828825), (75, 740417), (129, 430475), (201, 276275), (215, 258285), (257, 216075), (335, 165765), (645, 86095), (771, 72025), (1005, 55255), (1075, 51657), (1285, 43215), (1675, 33153), (2881, 19275), (3225, 17219), (3855, 14405), (5025, 11051), (6425, 8643)]