16680195

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{929}}^1$

素因数の和:969

約数の個数: 64

約数和(自身を含む): 35712000

約数和(自身を除く): 19031805

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 57, 63, 95, 105, 133, 135, 171, 189, 285, 315, 399, 513, 665, 855, 929, 945, 1197, 1995, 2565, 2787, 3591, 4645, 5985, 6503, 8361, 13935, 17651, 17955, 19509, 25083, 32515, 41805, 52953, 58527, 88255, 97545, 123557, 125415, 158859, 175581, 264765, 292635, 370671, 476577, 617785, 794295, 877905, 1112013, 1853355, 2382885, 3336039, 5560065, 16680195]

約数ペア:

[(1, 16680195), (3, 5560065), (5, 3336039), (7, 2382885), (9, 1853355), (15, 1112013), (19, 877905), (21, 794295), (27, 617785), (35, 476577), (45, 370671), (57, 292635), (63, 264765), (95, 175581), (105, 158859), (133, 125415), (135, 123557), (171, 97545), (189, 88255), (285, 58527), (315, 52953), (399, 41805), (513, 32515), (665, 25083), (855, 19509), (929, 17955), (945, 17651), (1197, 13935), (1995, 8361), (2565, 6503), (2787, 5985), (3591, 4645)]