1287761775

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{251}}^1\times {\mathrm{1021}}^1$

素因数の和:1352

約数の個数: 48

約数和(自身を含む): 2171611008

約数和(自身を除く): 883849233

約数列:

[1, 3, 5, 15, 25, 67, 75, 201, 251, 335, 753, 1005, 1021, 1255, 1675, 3063, 3765, 5025, 5105, 6275, 15315, 16817, 18825, 25525, 50451, 68407, 76575, 84085, 205221, 252255, 256271, 342035, 420425, 768813, 1026105, 1261275, 1281355, 1710175, 3844065, 5130525, 6406775, 17170157, 19220325, 51510471, 85850785, 257552355, 429253925, 1287761775]

約数ペア:

[(1, 1287761775), (3, 429253925), (5, 257552355), (15, 85850785), (25, 51510471), (67, 19220325), (75, 17170157), (201, 6406775), (251, 5130525), (335, 3844065), (753, 1710175), (1005, 1281355), (1021, 1261275), (1255, 1026105), (1675, 768813), (3063, 420425), (3765, 342035), (5025, 256271), (5105, 252255), (6275, 205221), (15315, 84085), (16817, 76575), (18825, 68407), (25525, 50451)]