31230675

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 64995840

約数和(自身を除く): 33765165

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 79, 105, 175, 225, 237, 251, 315, 395, 525, 553, 711, 753, 1185, 1255, 1575, 1659, 1757, 1975, 2259, 2765, 3555, 3765, 4977, 5271, 5925, 6275, 8295, 8785, 11295, 13825, 15813, 17775, 18825, 19829, 24885, 26355, 41475, 43925, 56475, 59487, 79065, 99145, 124425, 131775, 138803, 178461, 297435, 395325, 416409, 495725, 694015, 892305, 1249227, 1487175, 2082045, 3470075, 4461525, 6246135, 10410225, 31230675]

約数ペア:

[(1, 31230675), (3, 10410225), (5, 6246135), (7, 4461525), (9, 3470075), (15, 2082045), (21, 1487175), (25, 1249227), (35, 892305), (45, 694015), (63, 495725), (75, 416409), (79, 395325), (105, 297435), (175, 178461), (225, 138803), (237, 131775), (251, 124425), (315, 99145), (395, 79065), (525, 59487), (553, 56475), (711, 43925), (753, 41475), (1185, 26355), (1255, 24885), (1575, 19829), (1659, 18825), (1757, 17775), (1975, 15813), (2259, 13825), (2765, 11295), (3555, 8785), (3765, 8295), (4977, 6275), (5271, 5925)]