49139775

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 96623280

約数和(自身を除く): 47483505

約数列:

[1, 3, 5, 9, 15, 17, 25, 29, 45, 51, 75, 85, 87, 145, 153, 225, 255, 261, 425, 435, 443, 493, 725, 765, 1275, 1305, 1329, 1479, 2175, 2215, 2465, 3825, 3987, 4437, 6525, 6645, 7395, 7531, 11075, 12325, 12847, 19935, 22185, 22593, 33225, 36975, 37655, 38541, 64235, 67779, 99675, 110925, 112965, 115623, 188275, 192705, 218399, 321175, 338895, 564825, 578115, 655197, 963525, 1091995, 1694475, 1965591, 2890575, 3275985, 5459975, 9827955, 16379925, 49139775]

約数ペア:

[(1, 49139775), (3, 16379925), (5, 9827955), (9, 5459975), (15, 3275985), (17, 2890575), (25, 1965591), (29, 1694475), (45, 1091995), (51, 963525), (75, 655197), (85, 578115), (87, 564825), (145, 338895), (153, 321175), (225, 218399), (255, 192705), (261, 188275), (425, 115623), (435, 112965), (443, 110925), (493, 99675), (725, 67779), (765, 64235), (1275, 38541), (1305, 37655), (1329, 36975), (1479, 33225), (2175, 22593), (2215, 22185), (2465, 19935), (3825, 12847), (3987, 12325), (4437, 11075), (6525, 7531), (6645, 7395)]