201997995

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^3\times {\mathrm{2741}}^1$

素因数の和:2800

約数の個数: 32

約数和(自身を含む): 343517760

約数和(自身を除く): 141519765

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 2741, 4335, 4913, 8223, 13705, 14739, 24565, 41115, 46597, 73695, 139791, 232985, 698955, 792149, 2376447, 3960745, 11882235, 13466533, 40399599, 67332665, 201997995]

約数ペア:

[(1, 201997995), (3, 67332665), (5, 40399599), (15, 13466533), (17, 11882235), (51, 3960745), (85, 2376447), (255, 792149), (289, 698955), (867, 232985), (1445, 139791), (2741, 73695), (4335, 46597), (4913, 41115), (8223, 24565), (13705, 14739)]