9918990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2161}}^1$

素因数の和:2194

約数の個数: 64

約数和(自身を含む): 28019520

約数和(自身を除く): 18100530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 85, 90, 102, 135, 153, 170, 255, 270, 306, 459, 510, 765, 918, 1530, 2161, 2295, 4322, 4590, 6483, 10805, 12966, 19449, 21610, 32415, 36737, 38898, 58347, 64830, 73474, 97245, 110211, 116694, 183685, 194490, 220422, 291735, 330633, 367370, 551055, 583470, 661266, 991899, 1102110, 1653165, 1983798, 3306330, 4959495, 9918990]

約数ペア:

[(1, 9918990), (2, 4959495), (3, 3306330), (5, 1983798), (6, 1653165), (9, 1102110), (10, 991899), (15, 661266), (17, 583470), (18, 551055), (27, 367370), (30, 330633), (34, 291735), (45, 220422), (51, 194490), (54, 183685), (85, 116694), (90, 110211), (102, 97245), (135, 73474), (153, 64830), (170, 58347), (255, 38898), (270, 36737), (306, 32415), (459, 21610), (510, 19449), (765, 12966), (918, 10805), (1530, 6483), (2161, 4590), (2295, 4322)]