31238190

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{911}}^1$

素因数の和:1054

約数の個数: 64

約数和(自身を含む): 84049920

約数和(自身を除く): 52811730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 127, 135, 254, 270, 381, 635, 762, 911, 1143, 1270, 1822, 1905, 2286, 2733, 3429, 3810, 4555, 5466, 5715, 6858, 8199, 9110, 11430, 13665, 16398, 17145, 24597, 27330, 34290, 40995, 49194, 81990, 115697, 122985, 231394, 245970, 347091, 578485, 694182, 1041273, 1156970, 1735455, 2082546, 3123819, 3470910, 5206365, 6247638, 10412730, 15619095, 31238190]

約数ペア:

[(1, 31238190), (2, 15619095), (3, 10412730), (5, 6247638), (6, 5206365), (9, 3470910), (10, 3123819), (15, 2082546), (18, 1735455), (27, 1156970), (30, 1041273), (45, 694182), (54, 578485), (90, 347091), (127, 245970), (135, 231394), (254, 122985), (270, 115697), (381, 81990), (635, 49194), (762, 40995), (911, 34290), (1143, 27330), (1270, 24597), (1822, 17145), (1905, 16398), (2286, 13665), (2733, 11430), (3429, 9110), (3810, 8199), (4555, 6858), (5466, 5715)]