28543515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1901}}^1$

素因数の和:1940

約数の個数: 64

約数和(自身を含む): 61350912

約数和(自身を除く): 32807397

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 33, 35, 39, 55, 65, 77, 91, 105, 143, 165, 195, 231, 273, 385, 429, 455, 715, 1001, 1155, 1365, 1901, 2145, 3003, 5005, 5703, 9505, 13307, 15015, 20911, 24713, 28515, 39921, 62733, 66535, 74139, 104555, 123565, 146377, 172991, 199605, 271843, 313665, 370695, 439131, 518973, 731885, 815529, 864955, 1359215, 1902901, 2195655, 2594865, 4077645, 5708703, 9514505, 28543515]

約数ペア:

[(1, 28543515), (3, 9514505), (5, 5708703), (7, 4077645), (11, 2594865), (13, 2195655), (15, 1902901), (21, 1359215), (33, 864955), (35, 815529), (39, 731885), (55, 518973), (65, 439131), (77, 370695), (91, 313665), (105, 271843), (143, 199605), (165, 172991), (195, 146377), (231, 123565), (273, 104555), (385, 74139), (429, 66535), (455, 62733), (715, 39921), (1001, 28515), (1155, 24713), (1365, 20911), (1901, 15015), (2145, 13307), (3003, 9505), (5005, 5703)]