213582015

素因数分解:

$3^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3359}}^1$

素因数の和:3533

約数の個数: 40

約数和(自身を含む): 385418880

約数和(自身を除く): 171836865

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 157, 405, 471, 785, 1413, 2355, 3359, 4239, 7065, 10077, 12717, 16795, 21195, 30231, 50385, 63585, 90693, 151155, 272079, 453465, 527363, 1360395, 1582089, 2636815, 4746267, 7910445, 14238801, 23731335, 42716403, 71194005, 213582015]

約数ペア:

[(1, 213582015), (3, 71194005), (5, 42716403), (9, 23731335), (15, 14238801), (27, 7910445), (45, 4746267), (81, 2636815), (135, 1582089), (157, 1360395), (405, 527363), (471, 453465), (785, 272079), (1413, 151155), (2355, 90693), (3359, 63585), (4239, 50385), (7065, 30231), (10077, 21195), (12717, 16795)]