2148996825

素因数分解:

$3^4\times 5^2\times {\mathrm{59}}^1\times {\mathrm{17987}}^1$

素因数の和:18068

約数の個数: 60

約数和(自身を含む): 4048379280

約数和(自身を除く): 1899382455

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 59, 75, 81, 135, 177, 225, 295, 405, 531, 675, 885, 1475, 1593, 2025, 2655, 4425, 4779, 7965, 13275, 17987, 23895, 39825, 53961, 89935, 119475, 161883, 269805, 449675, 485649, 809415, 1061233, 1349025, 1456947, 2428245, 3183699, 4047075, 5306165, 7284735, 9551097, 12141225, 15918495, 26530825, 28653291, 36423675, 47755485, 79592475, 85959873, 143266455, 238777425, 429799365, 716332275, 2148996825]

約数ペア:

[(1, 2148996825), (3, 716332275), (5, 429799365), (9, 238777425), (15, 143266455), (25, 85959873), (27, 79592475), (45, 47755485), (59, 36423675), (75, 28653291), (81, 26530825), (135, 15918495), (177, 12141225), (225, 9551097), (295, 7284735), (405, 5306165), (531, 4047075), (675, 3183699), (885, 2428245), (1475, 1456947), (1593, 1349025), (2025, 1061233), (2655, 809415), (4425, 485649), (4779, 449675), (7965, 269805), (13275, 161883), (17987, 119475), (23895, 89935), (39825, 53961)]