27957195

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:465

約数の個数: 72

約数和(自身を含む): 58331520

約数和(自身を除く): 30374325

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 49, 63, 93, 105, 147, 155, 217, 245, 279, 315, 409, 441, 465, 651, 735, 1085, 1227, 1395, 1519, 1953, 2045, 2205, 2863, 3255, 3681, 4557, 6135, 7595, 8589, 9765, 12679, 13671, 14315, 18405, 20041, 22785, 25767, 38037, 42945, 60123, 63395, 68355, 88753, 100205, 114111, 128835, 180369, 190185, 266259, 300615, 443765, 570555, 621271, 798777, 901845, 1331295, 1863813, 3106355, 3993885, 5591439, 9319065, 27957195]

約数ペア:

[(1, 27957195), (3, 9319065), (5, 5591439), (7, 3993885), (9, 3106355), (15, 1863813), (21, 1331295), (31, 901845), (35, 798777), (45, 621271), (49, 570555), (63, 443765), (93, 300615), (105, 266259), (147, 190185), (155, 180369), (217, 128835), (245, 114111), (279, 100205), (315, 88753), (409, 68355), (441, 63395), (465, 60123), (651, 42945), (735, 38037), (1085, 25767), (1227, 22785), (1395, 20041), (1519, 18405), (1953, 14315), (2045, 13671), (2205, 12679), (2863, 9765), (3255, 8589), (3681, 7595), (4557, 6135)]