72153279

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 121305600

約数和(自身を除く): 49152321

約数列:

[1, 3, 9, 11, 19, 33, 57, 89, 99, 171, 209, 267, 431, 627, 801, 979, 1293, 1691, 1881, 2937, 3879, 4741, 5073, 8189, 8811, 14223, 15219, 18601, 24567, 38359, 42669, 55803, 73701, 90079, 115077, 167409, 270237, 345231, 421949, 728821, 810711, 1265847, 2186463, 3797541, 6559389, 8017031, 24051093, 72153279]

約数ペア:

[(1, 72153279), (3, 24051093), (9, 8017031), (11, 6559389), (19, 3797541), (33, 2186463), (57, 1265847), (89, 810711), (99, 728821), (171, 421949), (209, 345231), (267, 270237), (431, 167409), (627, 115077), (801, 90079), (979, 73701), (1293, 55803), (1691, 42669), (1881, 38359), (2937, 24567), (3879, 18601), (4741, 15219), (5073, 14223), (8189, 8811)]