28771275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1283}}^1$

素因数の和:1332

約数の個数: 48

約数和(自身を含む): 53496576

約数和(自身を除く): 24725301

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 65, 69, 75, 115, 195, 299, 325, 345, 575, 897, 975, 1283, 1495, 1725, 3849, 4485, 6415, 7475, 16679, 19245, 22425, 29509, 32075, 50037, 83395, 88527, 96225, 147545, 250185, 383617, 416975, 442635, 737725, 1150851, 1250925, 1918085, 2213175, 5754255, 9590425, 28771275]

約数ペア:

[(1, 28771275), (3, 9590425), (5, 5754255), (13, 2213175), (15, 1918085), (23, 1250925), (25, 1150851), (39, 737725), (65, 442635), (69, 416975), (75, 383617), (115, 250185), (195, 147545), (299, 96225), (325, 88527), (345, 83395), (575, 50037), (897, 32075), (975, 29509), (1283, 22425), (1495, 19245), (1725, 16679), (3849, 7475), (4485, 6415)]