291557637

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:404

約数の個数: 80

約数和(自身を含む): 527831040

約数和(自身を除く): 236273403

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 79, 81, 161, 189, 207, 237, 283, 483, 553, 567, 621, 711, 849, 1449, 1659, 1817, 1863, 1981, 2133, 2547, 4347, 4977, 5451, 5943, 6399, 6509, 7641, 12719, 13041, 14931, 16353, 17829, 19527, 22357, 22923, 38157, 44793, 45563, 49059, 53487, 58581, 67071, 114471, 136689, 147177, 156499, 160461, 175743, 201213, 343413, 410067, 469497, 514211, 527229, 603639, 1030239, 1230201, 1408491, 1542633, 1810917, 3599477, 3690603, 4225473, 4627899, 10798431, 12676419, 13883697, 32395293, 41651091, 97185879, 291557637]

約数ペア:

[(1, 291557637), (3, 97185879), (7, 41651091), (9, 32395293), (21, 13883697), (23, 12676419), (27, 10798431), (63, 4627899), (69, 4225473), (79, 3690603), (81, 3599477), (161, 1810917), (189, 1542633), (207, 1408491), (237, 1230201), (283, 1030239), (483, 603639), (553, 527229), (567, 514211), (621, 469497), (711, 410067), (849, 343413), (1449, 201213), (1659, 175743), (1817, 160461), (1863, 156499), (1981, 147177), (2133, 136689), (2547, 114471), (4347, 67071), (4977, 58581), (5451, 53487), (5943, 49059), (6399, 45563), (6509, 44793), (7641, 38157), (12719, 22923), (13041, 22357), (14931, 19527), (16353, 17829)]