407278575

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2083}}^1$

素因数の和:2189

約数の個数: 72

約数和(自身を含む): 806257920

約数和(自身を除く): 398979345

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 79, 99, 165, 225, 237, 275, 395, 495, 711, 825, 869, 1185, 1975, 2083, 2475, 2607, 3555, 4345, 5925, 6249, 7821, 10415, 13035, 17775, 18747, 21725, 22913, 31245, 39105, 52075, 65175, 68739, 93735, 114565, 156225, 164557, 195525, 206217, 343695, 468675, 493671, 572825, 822785, 1031085, 1481013, 1718475, 1810127, 2468355, 4113925, 5155425, 5430381, 7405065, 9050635, 12341775, 16291143, 27151905, 37025325, 45253175, 81455715, 135759525, 407278575]

約数ペア:

[(1, 407278575), (3, 135759525), (5, 81455715), (9, 45253175), (11, 37025325), (15, 27151905), (25, 16291143), (33, 12341775), (45, 9050635), (55, 7405065), (75, 5430381), (79, 5155425), (99, 4113925), (165, 2468355), (225, 1810127), (237, 1718475), (275, 1481013), (395, 1031085), (495, 822785), (711, 572825), (825, 493671), (869, 468675), (1185, 343695), (1975, 206217), (2083, 195525), (2475, 164557), (2607, 156225), (3555, 114565), (4345, 93735), (5925, 68739), (6249, 65175), (7821, 52075), (10415, 39105), (13035, 31245), (17775, 22913), (18747, 21725)]