215524419

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{2447}}^1$

素因数の和:2635

約数の個数: 32

約数和(自身を含む): 334181376

約数和(自身を除く): 118656957

約数列:

[1, 3, 11, 17, 33, 51, 157, 187, 471, 561, 1727, 2447, 2669, 5181, 7341, 8007, 26917, 29359, 41599, 80751, 88077, 124797, 384179, 457589, 1152537, 1372767, 4225969, 6531043, 12677907, 19593129, 71841473, 215524419]

約数ペア:

[(1, 215524419), (3, 71841473), (11, 19593129), (17, 12677907), (33, 6531043), (51, 4225969), (157, 1372767), (187, 1152537), (471, 457589), (561, 384179), (1727, 124797), (2447, 88077), (2669, 80751), (5181, 41599), (7341, 29359), (8007, 26917)]