231720787575

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1260551}}^1$

素因数の和:1260629

約数の個数: 72

約数和(自身を含む): 447042161280

約数和(自身を除く): 215321373705

約数列:

[1, 3, 5, 9, 15, 19, 25, 43, 45, 57, 75, 95, 129, 171, 215, 225, 285, 387, 475, 645, 817, 855, 1075, 1425, 1935, 2451, 3225, 4085, 4275, 7353, 9675, 12255, 20425, 36765, 61275, 183825, 1260551, 3781653, 6302755, 11344959, 18908265, 23950469, 31513775, 54203693, 56724795, 71851407, 94541325, 119752345, 162611079, 215554221, 271018465, 283623975, 359257035, 487833237, 598761725, 813055395, 1029870167, 1077771105, 1355092325, 1796285175, 2439166185, 3089610501, 4065276975, 5149350835, 5388855525, 9268831503, 12195830925, 15448052505, 25746754175, 46344157515, 77240262525, 231720787575]

約数ペア:

[(1, 231720787575), (3, 77240262525), (5, 46344157515), (9, 25746754175), (15, 15448052505), (19, 12195830925), (25, 9268831503), (43, 5388855525), (45, 5149350835), (57, 4065276975), (75, 3089610501), (95, 2439166185), (129, 1796285175), (171, 1355092325), (215, 1077771105), (225, 1029870167), (285, 813055395), (387, 598761725), (475, 487833237), (645, 359257035), (817, 283623975), (855, 271018465), (1075, 215554221), (1425, 162611079), (1935, 119752345), (2451, 94541325), (3225, 71851407), (4085, 56724795), (4275, 54203693), (7353, 31513775), (9675, 23950469), (12255, 18908265), (20425, 11344959), (36765, 6302755), (61275, 3781653), (183825, 1260551)]