216853005

素因数分解:

$3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{241}}^1\times {\mathrm{269}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 351267840

約数和(自身を除く): 134414835

約数列:

[1, 3, 5, 15, 223, 241, 269, 669, 723, 807, 1115, 1205, 1345, 3345, 3615, 4035, 53743, 59987, 64829, 161229, 179961, 194487, 268715, 299935, 324145, 806145, 899805, 972435, 14456867, 43370601, 72284335, 216853005]

約数ペア:

[(1, 216853005), (3, 72284335), (5, 43370601), (15, 14456867), (223, 972435), (241, 899805), (269, 806145), (669, 324145), (723, 299935), (807, 268715), (1115, 194487), (1205, 179961), (1345, 161229), (3345, 64829), (3615, 59987), (4035, 53743)]