28772175

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 51048320

約数和(自身を除く): 22276145

約数列:

[1, 3, 5, 15, 19, 25, 57, 61, 75, 95, 183, 285, 305, 331, 475, 915, 993, 1159, 1425, 1525, 1655, 3477, 4575, 4965, 5795, 6289, 8275, 17385, 18867, 20191, 24825, 28975, 31445, 60573, 86925, 94335, 100955, 157225, 302865, 383629, 471675, 504775, 1150887, 1514325, 1918145, 5754435, 9590725, 28772175]

約数ペア:

[(1, 28772175), (3, 9590725), (5, 5754435), (15, 1918145), (19, 1514325), (25, 1150887), (57, 504775), (61, 471675), (75, 383629), (95, 302865), (183, 157225), (285, 100955), (305, 94335), (331, 86925), (475, 60573), (915, 31445), (993, 28975), (1159, 24825), (1425, 20191), (1525, 18867), (1655, 17385), (3477, 8275), (4575, 6289), (4965, 5795)]