2907765

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 6289920

約数和(自身を除く): 3382155

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 85, 105, 119, 135, 153, 181, 189, 255, 315, 357, 459, 543, 595, 765, 905, 945, 1071, 1267, 1629, 1785, 2295, 2715, 3077, 3213, 3801, 4887, 5355, 6335, 8145, 9231, 11403, 15385, 16065, 19005, 21539, 24435, 27693, 34209, 46155, 57015, 64617, 83079, 107695, 138465, 171045, 193851, 323085, 415395, 581553, 969255, 2907765]

約数ペア:

[(1, 2907765), (3, 969255), (5, 581553), (7, 415395), (9, 323085), (15, 193851), (17, 171045), (21, 138465), (27, 107695), (35, 83079), (45, 64617), (51, 57015), (63, 46155), (85, 34209), (105, 27693), (119, 24435), (135, 21539), (153, 19005), (181, 16065), (189, 15385), (255, 11403), (315, 9231), (357, 8145), (459, 6335), (543, 5355), (595, 4887), (765, 3801), (905, 3213), (945, 3077), (1071, 2715), (1267, 2295), (1629, 1785)]