390894819

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1\times {\mathrm{439}}^1$

素因数の和:947

約数の個数: 32

約数和(自身を含む): 604032000

約数和(自身を除く): 213137181

約数列:

[1, 3, 7, 21, 109, 327, 389, 439, 763, 1167, 1317, 2289, 2723, 3073, 8169, 9219, 42401, 47851, 127203, 143553, 170771, 296807, 334957, 512313, 890421, 1004871, 1195397, 3586191, 18614039, 55842117, 130298273, 390894819]

約数ペア:

[(1, 390894819), (3, 130298273), (7, 55842117), (21, 18614039), (109, 3586191), (327, 1195397), (389, 1004871), (439, 890421), (763, 512313), (1167, 334957), (1317, 296807), (2289, 170771), (2723, 143553), (3073, 127203), (8169, 47851), (9219, 42401)]