1998804735

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1\times {\mathrm{1091}}^1$

素因数の和:1477

約数の個数: 64

約数和(自身を含む): 3654443520

約数和(自身を除く): 1655638785

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 123, 135, 205, 331, 369, 615, 993, 1091, 1107, 1655, 1845, 2979, 3273, 4965, 5455, 5535, 8937, 9819, 13571, 14895, 16365, 29457, 40713, 44685, 44731, 49095, 67855, 122139, 134193, 147285, 203565, 223655, 361121, 366417, 402579, 610695, 670965, 1083363, 1207737, 1805605, 1832085, 2012895, 3250089, 5416815, 6038685, 9750267, 14805961, 16250445, 44417883, 48751335, 74029805, 133253649, 222089415, 399760947, 666268245, 1998804735]

約数ペア:

[(1, 1998804735), (3, 666268245), (5, 399760947), (9, 222089415), (15, 133253649), (27, 74029805), (41, 48751335), (45, 44417883), (123, 16250445), (135, 14805961), (205, 9750267), (331, 6038685), (369, 5416815), (615, 3250089), (993, 2012895), (1091, 1832085), (1107, 1805605), (1655, 1207737), (1845, 1083363), (2979, 670965), (3273, 610695), (4965, 402579), (5455, 366417), (5535, 361121), (8937, 223655), (9819, 203565), (13571, 147285), (14895, 134193), (16365, 122139), (29457, 67855), (40713, 49095), (44685, 44731)]