31620225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 66495744

約数和(自身を除く): 34875519

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 41, 65, 75, 91, 105, 113, 123, 175, 195, 205, 273, 287, 325, 339, 455, 525, 533, 565, 615, 791, 861, 975, 1025, 1365, 1435, 1469, 1599, 1695, 2275, 2373, 2665, 2825, 3075, 3731, 3955, 4305, 4407, 4633, 6825, 7175, 7345, 7995, 8475, 10283, 11193, 11865, 13325, 13899, 18655, 19775, 21525, 22035, 23165, 30849, 32431, 36725, 39975, 51415, 55965, 59325, 60229, 69495, 93275, 97293, 110175, 115825, 154245, 162155, 180687, 257075, 279825, 301145, 347475, 421603, 486465, 771225, 810775, 903435, 1264809, 1505725, 2108015, 2432325, 4517175, 6324045, 10540075, 31620225]

約数ペア:

[(1, 31620225), (3, 10540075), (5, 6324045), (7, 4517175), (13, 2432325), (15, 2108015), (21, 1505725), (25, 1264809), (35, 903435), (39, 810775), (41, 771225), (65, 486465), (75, 421603), (91, 347475), (105, 301145), (113, 279825), (123, 257075), (175, 180687), (195, 162155), (205, 154245), (273, 115825), (287, 110175), (325, 97293), (339, 93275), (455, 69495), (525, 60229), (533, 59325), (565, 55965), (615, 51415), (791, 39975), (861, 36725), (975, 32431), (1025, 30849), (1365, 23165), (1435, 22035), (1469, 21525), (1599, 19775), (1695, 18655), (2275, 13899), (2373, 13325), (2665, 11865), (2825, 11193), (3075, 10283), (3731, 8475), (3955, 7995), (4305, 7345), (4407, 7175), (4633, 6825)]