17963729991

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{320329}}^1$

素因数の和:320436

約数の個数: 32

約数和(自身を含む): 27881523200

約数和(自身を除く): 9917793209

約数列:

[1, 3, 9, 27, 31, 67, 93, 201, 279, 603, 837, 1809, 2077, 6231, 18693, 56079, 320329, 960987, 2882961, 8648883, 9930199, 21462043, 29790597, 64386129, 89371791, 193158387, 268115373, 579475161, 665323333, 1995969999, 5987909997, 17963729991]

約数ペア:

[(1, 17963729991), (3, 5987909997), (9, 1995969999), (27, 665323333), (31, 579475161), (67, 268115373), (93, 193158387), (201, 89371791), (279, 64386129), (603, 29790597), (837, 21462043), (1809, 9930199), (2077, 8648883), (6231, 2882961), (18693, 960987), (56079, 320329)]