18013670025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{393097}}^1$

素因数の和:393170

約数の個数: 48

約数和(自身を含む): 32756070144

約数和(自身を除く): 14742400119

約数列:

[1, 3, 5, 13, 15, 25, 39, 47, 65, 75, 141, 195, 235, 325, 611, 705, 975, 1175, 1833, 3055, 3525, 9165, 15275, 45825, 393097, 1179291, 1965485, 5110261, 5896455, 9827425, 15330783, 18475559, 25551305, 29482275, 55426677, 76653915, 92377795, 127756525, 240182267, 277133385, 383269575, 461888975, 720546801, 1200911335, 1385666925, 3602734005, 6004556675, 18013670025]

約数ペア:

[(1, 18013670025), (3, 6004556675), (5, 3602734005), (13, 1385666925), (15, 1200911335), (25, 720546801), (39, 461888975), (47, 383269575), (65, 277133385), (75, 240182267), (141, 127756525), (195, 92377795), (235, 76653915), (325, 55426677), (611, 29482275), (705, 25551305), (975, 18475559), (1175, 15330783), (1833, 9827425), (3055, 5896455), (3525, 5110261), (9165, 1965485), (15275, 1179291), (45825, 393097)]