1238559867

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 1966910400

約数和(自身を除く): 728350533

約数列:

[1, 3, 9, 23, 37, 69, 79, 89, 111, 207, 237, 267, 333, 529, 711, 801, 851, 1587, 1817, 2047, 2553, 2923, 3293, 4761, 5451, 6141, 7031, 7659, 8769, 9879, 16353, 18423, 19573, 21093, 26307, 29637, 41791, 47081, 58719, 63279, 67229, 75739, 125373, 141243, 161713, 176157, 201687, 227217, 260147, 376119, 423729, 485139, 605061, 681651, 780441, 1455417, 1546267, 1741997, 2341323, 3719399, 4638801, 5225991, 5983381, 11158197, 13916403, 15677973, 17950143, 33474591, 53850429, 137617763, 412853289, 1238559867]

約数ペア:

[(1, 1238559867), (3, 412853289), (9, 137617763), (23, 53850429), (37, 33474591), (69, 17950143), (79, 15677973), (89, 13916403), (111, 11158197), (207, 5983381), (237, 5225991), (267, 4638801), (333, 3719399), (529, 2341323), (711, 1741997), (801, 1546267), (851, 1455417), (1587, 780441), (1817, 681651), (2047, 605061), (2553, 485139), (2923, 423729), (3293, 376119), (4761, 260147), (5451, 227217), (6141, 201687), (7031, 176157), (7659, 161713), (8769, 141243), (9879, 125373), (16353, 75739), (18423, 67229), (19573, 63279), (21093, 58719), (26307, 47081), (29637, 41791)]