28659345

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 55738368

約数和(自身を除く): 27079023

約数列:

[1, 3, 5, 11, 13, 15, 31, 33, 39, 55, 65, 93, 143, 155, 165, 195, 341, 403, 429, 431, 465, 715, 1023, 1209, 1293, 1705, 2015, 2145, 2155, 4433, 4741, 5115, 5603, 6045, 6465, 13299, 13361, 14223, 16809, 22165, 23705, 28015, 40083, 61633, 66495, 66805, 71115, 84045, 146971, 173693, 184899, 200415, 308165, 440913, 521079, 734855, 868465, 924495, 1910623, 2204565, 2605395, 5731869, 9553115, 28659345]

約数ペア:

[(1, 28659345), (3, 9553115), (5, 5731869), (11, 2605395), (13, 2204565), (15, 1910623), (31, 924495), (33, 868465), (39, 734855), (55, 521079), (65, 440913), (93, 308165), (143, 200415), (155, 184899), (165, 173693), (195, 146971), (341, 84045), (403, 71115), (429, 66805), (431, 66495), (465, 61633), (715, 40083), (1023, 28015), (1209, 23705), (1293, 22165), (1705, 16809), (2015, 14223), (2145, 13361), (2155, 13299), (4433, 6465), (4741, 6045), (5115, 5603)]