138231675

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:613

約数の個数: 72

約数和(自身を含む): 266366880

約数和(自身を除く): 128135205

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 71, 75, 85, 153, 213, 225, 255, 355, 425, 509, 639, 765, 1065, 1207, 1275, 1527, 1775, 2545, 3195, 3621, 3825, 4581, 5325, 6035, 7635, 8653, 10863, 12725, 15975, 18105, 22905, 25959, 30175, 36139, 38175, 43265, 54315, 77877, 90525, 108417, 114525, 129795, 180695, 216325, 271575, 325251, 389385, 542085, 614363, 648975, 903475, 1626255, 1843089, 1946925, 2710425, 3071815, 5529267, 8131275, 9215445, 15359075, 27646335, 46077225, 138231675]

約数ペア:

[(1, 138231675), (3, 46077225), (5, 27646335), (9, 15359075), (15, 9215445), (17, 8131275), (25, 5529267), (45, 3071815), (51, 2710425), (71, 1946925), (75, 1843089), (85, 1626255), (153, 903475), (213, 648975), (225, 614363), (255, 542085), (355, 389385), (425, 325251), (509, 271575), (639, 216325), (765, 180695), (1065, 129795), (1207, 114525), (1275, 108417), (1527, 90525), (1775, 77877), (2545, 54315), (3195, 43265), (3621, 38175), (3825, 36139), (4581, 30175), (5325, 25959), (6035, 22905), (7635, 18105), (8653, 15975), (10863, 12725)]