61809705

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1879}}^1$

素因数の和:1950

約数の個数: 48

約数和(自身を含む): 116138880

約数和(自身を除く): 54329175

約数列:

[1, 3, 5, 9, 15, 17, 43, 45, 51, 85, 129, 153, 215, 255, 387, 645, 731, 765, 1879, 1935, 2193, 3655, 5637, 6579, 9395, 10965, 16911, 28185, 31943, 32895, 80797, 84555, 95829, 159715, 242391, 287487, 403985, 479145, 727173, 1211955, 1373549, 1437435, 3635865, 4120647, 6867745, 12361941, 20603235, 61809705]

約数ペア:

[(1, 61809705), (3, 20603235), (5, 12361941), (9, 6867745), (15, 4120647), (17, 3635865), (43, 1437435), (45, 1373549), (51, 1211955), (85, 727173), (129, 479145), (153, 403985), (215, 287487), (255, 242391), (387, 159715), (645, 95829), (731, 84555), (765, 80797), (1879, 32895), (1935, 31943), (2193, 28185), (3655, 16911), (5637, 10965), (6579, 9395)]