1217295

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:212

約数の個数: 32

約数和(自身を含む): 2211840

約数和(自身を除く): 994545

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 127, 135, 213, 355, 381, 635, 639, 1065, 1143, 1905, 1917, 3195, 3429, 5715, 9017, 9585, 17145, 27051, 45085, 81153, 135255, 243459, 405765, 1217295]

約数ペア:

[(1, 1217295), (3, 405765), (5, 243459), (9, 135255), (15, 81153), (27, 45085), (45, 27051), (71, 17145), (127, 9585), (135, 9017), (213, 5715), (355, 3429), (381, 3195), (635, 1917), (639, 1905), (1065, 1143)]