916400385

素因数分解:

$3^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:706

約数の個数: 112

約数和(自身を含む): 1824488064

約数和(自身を除く): 908087679

約数列:

[1, 3, 5, 9, 15, 17, 23, 27, 45, 51, 69, 81, 85, 115, 135, 153, 207, 243, 255, 345, 391, 405, 459, 621, 643, 729, 765, 1035, 1173, 1215, 1377, 1863, 1929, 1955, 2295, 3105, 3215, 3519, 3645, 4131, 5589, 5787, 5865, 6885, 9315, 9645, 10557, 10931, 12393, 14789, 16767, 17361, 17595, 20655, 27945, 28935, 31671, 32793, 44367, 52083, 52785, 54655, 61965, 73945, 83835, 86805, 95013, 98379, 133101, 156249, 158355, 163965, 221835, 251413, 260415, 285039, 295137, 399303, 468747, 475065, 491895, 665505, 754239, 781245, 885411, 1197909, 1257065, 1425195, 1475685, 1996515, 2262717, 2343735, 2656233, 3593727, 3771195, 4427055, 5989545, 6788151, 7968699, 10781181, 11313585, 13281165, 17968635, 20364453, 33940755, 39843495, 53905905, 61093359, 101822265, 183280077, 305466795, 916400385]

約数ペア:

[(1, 916400385), (3, 305466795), (5, 183280077), (9, 101822265), (15, 61093359), (17, 53905905), (23, 39843495), (27, 33940755), (45, 20364453), (51, 17968635), (69, 13281165), (81, 11313585), (85, 10781181), (115, 7968699), (135, 6788151), (153, 5989545), (207, 4427055), (243, 3771195), (255, 3593727), (345, 2656233), (391, 2343735), (405, 2262717), (459, 1996515), (621, 1475685), (643, 1425195), (729, 1257065), (765, 1197909), (1035, 885411), (1173, 781245), (1215, 754239), (1377, 665505), (1863, 491895), (1929, 475065), (1955, 468747), (2295, 399303), (3105, 295137), (3215, 285039), (3519, 260415), (3645, 251413), (4131, 221835), (5589, 163965), (5787, 158355), (5865, 156249), (6885, 133101), (9315, 98379), (9645, 95013), (10557, 86805), (10931, 83835), (12393, 73945), (14789, 61965), (16767, 54655), (17361, 52785), (17595, 52083), (20655, 44367), (27945, 32793), (28935, 31671)]