291240723207

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{19469}}^1$

素因数の和:19756

約数の個数: 64

約数和(自身を含む): 459354931200

約数和(自身を除く): 168114207993

約数列:

[1, 3, 7, 21, 71, 79, 127, 213, 237, 381, 497, 553, 889, 1491, 1659, 2667, 5609, 9017, 10033, 16827, 19469, 27051, 30099, 39263, 58407, 63119, 70231, 117789, 136283, 189357, 210693, 408849, 712343, 1382299, 1538051, 2137029, 2472563, 4146897, 4614153, 4986401, 7417689, 9676093, 10766357, 14959203, 17307941, 29028279, 32299071, 51923823, 109201621, 175551973, 195332477, 327604863, 526655919, 585997431, 764411347, 1228863811, 1367327339, 2293234041, 3686591433, 4101982017, 13868605867, 41605817601, 97080241069, 291240723207]

約数ペア:

[(1, 291240723207), (3, 97080241069), (7, 41605817601), (21, 13868605867), (71, 4101982017), (79, 3686591433), (127, 2293234041), (213, 1367327339), (237, 1228863811), (381, 764411347), (497, 585997431), (553, 526655919), (889, 327604863), (1491, 195332477), (1659, 175551973), (2667, 109201621), (5609, 51923823), (9017, 32299071), (10033, 29028279), (16827, 17307941), (19469, 14959203), (27051, 10766357), (30099, 9676093), (39263, 7417689), (58407, 4986401), (63119, 4614153), (70231, 4146897), (117789, 2472563), (136283, 2137029), (189357, 1538051), (210693, 1382299), (408849, 712343)]