4390155

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 9710064

約数和(自身を除く): 5319909

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 49, 55, 63, 77, 99, 105, 147, 165, 181, 231, 245, 315, 385, 441, 495, 539, 543, 693, 735, 905, 1155, 1267, 1617, 1629, 1991, 2205, 2695, 2715, 3465, 3801, 4851, 5973, 6335, 8085, 8145, 8869, 9955, 11403, 13937, 17919, 19005, 24255, 26607, 29865, 41811, 44345, 57015, 69685, 79821, 89595, 97559, 125433, 133035, 209055, 292677, 399105, 487795, 627165, 878031, 1463385, 4390155]

約数ペア:

[(1, 4390155), (3, 1463385), (5, 878031), (7, 627165), (9, 487795), (11, 399105), (15, 292677), (21, 209055), (33, 133035), (35, 125433), (45, 97559), (49, 89595), (55, 79821), (63, 69685), (77, 57015), (99, 44345), (105, 41811), (147, 29865), (165, 26607), (181, 24255), (231, 19005), (245, 17919), (315, 13937), (385, 11403), (441, 9955), (495, 8869), (539, 8145), (543, 8085), (693, 6335), (735, 5973), (905, 4851), (1155, 3801), (1267, 3465), (1617, 2715), (1629, 2695), (1991, 2205)]