215043390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1231}}^1$

素因数の和:1894

約数の個数: 64

約数和(自身を含む): 574801920

約数和(自身を除く): 359758530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 647, 1231, 1294, 1941, 2462, 3235, 3693, 3882, 5823, 6155, 6470, 7386, 9705, 11079, 11646, 12310, 17469, 18465, 19410, 22158, 29115, 33237, 34938, 36930, 55395, 58230, 66474, 87345, 110790, 166185, 174690, 332370, 796457, 1592914, 2389371, 3982285, 4778742, 7168113, 7964570, 11946855, 14336226, 21504339, 23893710, 35840565, 43008678, 71681130, 107521695, 215043390]

約数ペア:

[(1, 215043390), (2, 107521695), (3, 71681130), (5, 43008678), (6, 35840565), (9, 23893710), (10, 21504339), (15, 14336226), (18, 11946855), (27, 7964570), (30, 7168113), (45, 4778742), (54, 3982285), (90, 2389371), (135, 1592914), (270, 796457), (647, 332370), (1231, 174690), (1294, 166185), (1941, 110790), (2462, 87345), (3235, 66474), (3693, 58230), (3882, 55395), (5823, 36930), (6155, 34938), (6470, 33237), (7386, 29115), (9705, 22158), (11079, 19410), (11646, 18465), (12310, 17469)]