16329987

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 26676000

約数和(自身を除く): 10346013

約数列:

[1, 3, 9, 19, 29, 37, 57, 87, 89, 111, 171, 261, 267, 333, 551, 703, 801, 1073, 1653, 1691, 2109, 2581, 3219, 3293, 4959, 5073, 6327, 7743, 9657, 9879, 15219, 20387, 23229, 29637, 49039, 61161, 62567, 95497, 147117, 183483, 187701, 286491, 441351, 563103, 859473, 1814443, 5443329, 16329987]

約数ペア:

[(1, 16329987), (3, 5443329), (9, 1814443), (19, 859473), (29, 563103), (37, 441351), (57, 286491), (87, 187701), (89, 183483), (111, 147117), (171, 95497), (261, 62567), (267, 61161), (333, 49039), (551, 29637), (703, 23229), (801, 20387), (1073, 15219), (1653, 9879), (1691, 9657), (2109, 7743), (2581, 6327), (3219, 5073), (3293, 4959)]