217698894

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{575923}}^1$

素因数の和:575941

約数の個数: 32

約数和(自身を含む): 552887040

約数和(自身を除く): 335188146

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 575923, 1151846, 1727769, 3455538, 4031461, 5183307, 8062922, 10366614, 12094383, 15549921, 24188766, 31099842, 36283149, 72566298, 108849447, 217698894]

約数ペア:

[(1, 217698894), (2, 108849447), (3, 72566298), (6, 36283149), (7, 31099842), (9, 24188766), (14, 15549921), (18, 12094383), (21, 10366614), (27, 8062922), (42, 5183307), (54, 4031461), (63, 3455538), (126, 1727769), (189, 1151846), (378, 575923)]