28847205

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 54282240

約数和(自身を除く): 25435035

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 61, 93, 113, 135, 155, 183, 279, 305, 339, 465, 549, 565, 837, 915, 1017, 1395, 1647, 1695, 1891, 2745, 3051, 3503, 4185, 5085, 5673, 6893, 8235, 9455, 10509, 15255, 17019, 17515, 20679, 28365, 31527, 34465, 51057, 52545, 62037, 85095, 94581, 103395, 157635, 186111, 213683, 255285, 310185, 472905, 641049, 930555, 1068415, 1923147, 3205245, 5769441, 9615735, 28847205]

約数ペア:

[(1, 28847205), (3, 9615735), (5, 5769441), (9, 3205245), (15, 1923147), (27, 1068415), (31, 930555), (45, 641049), (61, 472905), (93, 310185), (113, 255285), (135, 213683), (155, 186111), (183, 157635), (279, 103395), (305, 94581), (339, 85095), (465, 62037), (549, 52545), (565, 51057), (837, 34465), (915, 31527), (1017, 28365), (1395, 20679), (1647, 17515), (1695, 17019), (1891, 15255), (2745, 10509), (3051, 9455), (3503, 8235), (4185, 6893), (5085, 5673)]