84768975

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 162489600

約数和(自身を除く): 77720625

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 79, 95, 171, 225, 237, 251, 285, 395, 475, 711, 753, 855, 1185, 1255, 1425, 1501, 1975, 2259, 3555, 3765, 4275, 4503, 4769, 5925, 6275, 7505, 11295, 13509, 14307, 17775, 18825, 19829, 22515, 23845, 37525, 42921, 56475, 59487, 67545, 71535, 99145, 112575, 119225, 178461, 214605, 297435, 337725, 357675, 376751, 495725, 892305, 1073025, 1130253, 1487175, 1883755, 3390759, 4461525, 5651265, 9418775, 16953795, 28256325, 84768975]

約数ペア:

[(1, 84768975), (3, 28256325), (5, 16953795), (9, 9418775), (15, 5651265), (19, 4461525), (25, 3390759), (45, 1883755), (57, 1487175), (75, 1130253), (79, 1073025), (95, 892305), (171, 495725), (225, 376751), (237, 357675), (251, 337725), (285, 297435), (395, 214605), (475, 178461), (711, 119225), (753, 112575), (855, 99145), (1185, 71535), (1255, 67545), (1425, 59487), (1501, 56475), (1975, 42921), (2259, 37525), (3555, 23845), (3765, 22515), (4275, 19829), (4503, 18825), (4769, 17775), (5925, 14307), (6275, 13509), (7505, 11295)]