856552905

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2003}}^1$

素因数の和:2087

約数の個数: 96

約数和(自身を含む): 1733187456

約数和(自身を除く): 876634551

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 43, 45, 51, 65, 85, 117, 129, 153, 195, 215, 221, 255, 387, 559, 585, 645, 663, 731, 765, 1105, 1677, 1935, 1989, 2003, 2193, 2795, 3315, 3655, 5031, 6009, 6579, 8385, 9503, 9945, 10015, 10965, 18027, 25155, 26039, 28509, 30045, 32895, 34051, 47515, 78117, 85527, 86129, 90135, 102153, 130195, 142545, 170255, 234351, 258387, 306459, 390585, 427635, 430645, 442663, 510765, 775161, 1119677, 1171755, 1291935, 1327989, 1464193, 1532295, 2213315, 3359031, 3875805, 3983967, 4392579, 5598385, 6639945, 7320965, 10077093, 13177737, 16795155, 19034509, 19919835, 21962895, 50385465, 57103527, 65888685, 95172545, 171310581, 285517635, 856552905]

約数ペア:

[(1, 856552905), (3, 285517635), (5, 171310581), (9, 95172545), (13, 65888685), (15, 57103527), (17, 50385465), (39, 21962895), (43, 19919835), (45, 19034509), (51, 16795155), (65, 13177737), (85, 10077093), (117, 7320965), (129, 6639945), (153, 5598385), (195, 4392579), (215, 3983967), (221, 3875805), (255, 3359031), (387, 2213315), (559, 1532295), (585, 1464193), (645, 1327989), (663, 1291935), (731, 1171755), (765, 1119677), (1105, 775161), (1677, 510765), (1935, 442663), (1989, 430645), (2003, 427635), (2193, 390585), (2795, 306459), (3315, 258387), (3655, 234351), (5031, 170255), (6009, 142545), (6579, 130195), (8385, 102153), (9503, 90135), (9945, 86129), (10015, 85527), (10965, 78117), (18027, 47515), (25155, 34051), (26039, 32895), (28509, 30045)]