172830721

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 216794880

約数和(自身を除く): 43964159

約数列:

[1, 7, 17, 53, 67, 119, 371, 409, 469, 901, 1139, 2863, 3551, 6307, 6953, 7973, 21677, 24857, 27403, 48671, 60367, 151739, 191821, 368509, 422569, 465851, 1452359, 2579563, 3260957, 10166513, 24690103, 172830721]

約数ペア:

[(1, 172830721), (7, 24690103), (17, 10166513), (53, 3260957), (67, 2579563), (119, 1452359), (371, 465851), (409, 422569), (469, 368509), (901, 191821), (1139, 151739), (2863, 60367), (3551, 48671), (6307, 27403), (6953, 24857), (7973, 21677)]